2116159855 has 8 divisors (see below), whose sum is σ = 2601328464. Its totient is φ = 1651636800.

The previous prime is 2116159741. The next prime is 2116159867. The reversal of 2116159855 is 5589516112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2116159855 - 2⁹ = 2116159343 is a prime.

It is a super-3 number, since 3×2116159855³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5161161 + ... + 5161570.

It is an arithmetic number, because the mean of its divisors is an integer number (325166058).

Almost surely, 2^2116159855 is an apocalyptic number.

2116159855 is a deficient number, since it is larger than the sum of its proper divisors (485168609).

2116159855 is a wasteful number, since it uses less digits than its factorization.

2116159855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10322777.

The product of its digits is 108000, while the sum is 43.

The square root of 2116159855 is about 46001.7375215328. The cubic root of 2116159855 is about 1283.8555329531.

The spelling of 2116159855 in words is "two billion, one hundred sixteen million, one hundred fifty-nine thousand, eight hundred fifty-five".