113688656 has 80 divisors (see below), whose sum is σ = 244984320. Its totient is φ = 50872320.

The previous prime is 113688649. The next prime is 113688661. The reversal of 113688656 is 656886311.

It is a super-2 number, since 2×113688656² = 25850221006172672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 817835 + ... + 817973.

It is an arithmetic number, because the mean of its divisors is an integer number (3062304).

Almost surely, 2^113688656 is an apocalyptic number.

113688656 is a gapful number since it is divisible by the number (16) 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 113688656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122492160).

113688656 is an abundant number, since it is smaller than the sum of its proper divisors (131295664).

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

113688656 is a wasteful number, since it uses less digits than its factorization.

113688656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 286 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 113688656 is about 10662.4882649408. The cubic root of 113688656 is about 484.4389388283.

The spelling of 113688656 in words is "one hundred thirteen million, six hundred eighty-eight thousand, six hundred fifty-six".