188100056 has 8 divisors (see below), whose sum is σ = 352687620. Its totient is φ = 94050024.

The previous prime is 188100043. The next prime is 188100067. The reversal of 188100056 is 650001881.

188100056 is nontrivially palindromic in base 7.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11756246 + ... + 11756261.

Almost surely, 2^188100056 is an apocalyptic number.

It is an amenable number.

188100056 is a deficient number, since it is larger than the sum of its proper divisors (164587564).

188100056 is a wasteful number, since it uses less digits than its factorization.

188100056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23512513 (or 23512509 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 188100056 is about 13714.9573823618. The cubic root of 188100056 is about 572.9670423395.

The spelling of 188100056 in words is "one hundred eighty-eight million, one hundred thousand, fifty-six".