116591664 has 80 divisors (see below), whose sum is σ = 345549312. Its totient is φ = 33183744.

The previous prime is 116591663. The next prime is 116591707. The reversal of 116591664 is 466195611.

It is a super-2 number, since 2×116591664² = 27187232228577792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (116591663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118117 + ... + 119099.

Almost surely, 2^116591664 is an apocalyptic number.

116591664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116591664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172774656).

116591664 is an abundant number, since it is smaller than the sum of its proper divisors (228957648).

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

116591664 is a wasteful number, since it uses less digits than its factorization.

116591664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354 (or 1348 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 116591664 is about 10797.7619903386. The cubic root of 116591664 is about 488.5276698462.

It can be divided in two parts, 1165 and 91664, that added together give a palindrome (92829).

The spelling of 116591664 in words is "one hundred sixteen million, five hundred ninety-one thousand, six hundred sixty-four".