188931625056 has 72 divisors (see below), whose sum is σ = 550378594584. Its totient is φ = 61441175040.

The previous prime is 188931625007. The next prime is 188931625087. The reversal of 188931625056 is 650526139881.

188931625056 is a `hidden beast` number, since 1 + 8 + 8 + 9 + 3 + 1 + 625 + 0 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 188931624993 and 188931625011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7988346 + ... + 8011961.

It is an arithmetic number, because the mean of its divisors is an integer number (7644147147).

Almost surely, 2^188931625056 is an apocalyptic number.

188931625056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

188931625056 is an abundant number, since it is smaller than the sum of its proper divisors (361446969528).

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

188931625056 is a wasteful number, since it uses less digits than its factorization.

188931625056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16000364 (or 16000353 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 188931625056 in words is "one hundred eighty-eight billion, nine hundred thirty-one million, six hundred twenty-five thousand, fifty-six".