115516656 has 60 divisors (see below), whose sum is σ = 340309320. Its totient is φ = 36478080.

The previous prime is 115516613. The next prime is 115516669. The reversal of 115516656 is 656615511.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 115516656.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18375 + ... + 23846.

It is an arithmetic number, because the mean of its divisors is an integer number (5671822).

Almost surely, 2^115516656 is an apocalyptic number.

115516656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115516656 is an abundant number, since it is smaller than the sum of its proper divisors (224792664).

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

115516656 is a wasteful number, since it uses less digits than its factorization.

115516656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42254 (or 42245 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 115516656 is about 10747.8675094179. The cubic root of 115516656 is about 487.0215771873.

The spelling of 115516656 in words is "one hundred fifteen million, five hundred sixteen thousand, six hundred fifty-six".