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2664655144216 = 2313173387144497
BaseRepresentation
bin100110110001101001110…
…100101100010100011000
3100102201221101202112120021
4212301221310230110120
5322124203204103331
65400043051240224
7363341432004562
oct46615164542430
910381841675507
102664655144216
1193808a3a816a
12370517749074
13164378205a60
1492d8195a332
15494a90d5211
hex26c69d2c518

2664655144216 has 64 divisors (see below), whose sum is σ = 5697353047680. Its totient is φ = 1157437071360.

The previous prime is 2664655144189. The next prime is 2664655144219. The reversal of 2664655144216 is 6124415564662.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664655144219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59861680 + ... + 59906176.

It is an arithmetic number, because the mean of its divisors is an integer number (89021141370).

Almost surely, 22664655144216 is an apocalyptic number.

2664655144216 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2664655144216 is an abundant number, since it is smaller than the sum of its proper divisors (3032697903464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2664655144216 is a wasteful number, since it uses less digits than its factorization.

2664655144216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78404 (or 78400 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 52.

The spelling of 2664655144216 in words is "two trillion, six hundred sixty-four billion, six hundred fifty-five million, one hundred forty-four thousand, two hundred sixteen".

Divisors: 1 2 4 8 13 17 26 34 52 68 104 136 221 442 884 1768 33871 44497 67742 88994 135484 177988 270968 355976 440323 575807 578461 756449 880646 1151614 1156922 1512898 1761292 2303228 2313844 3025796 3522584 4606456 4627688 6051592 7485491 9833837 14970982 19667674 29941964 39335348 59883928 78670696 1507157887 3014315774 6028631548 12057263096 19593052531 25621684079 39186105062 51243368158 78372210124 102486736316 156744420248 204973472632 333081893027 666163786054 1332327572108 2664655144216