188725051872 has 144 divisors (see below), whose sum is σ = 636073506432. Its totient is φ = 53921427840.

The previous prime is 188725051819. The next prime is 188725051891. The reversal of 188725051872 is 278150527881.

188725051872 is a `hidden beast` number, since 1 + 8 + 8 + 7 + 2 + 50 + 518 + 72 = 666.

188725051872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1679154 + ... + 1788017.

It is an arithmetic number, because the mean of its divisors is an integer number (4417177128).

Almost surely, 2^188725051872 is an apocalyptic number.

188725051872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

188725051872 is an abundant number, since it is smaller than the sum of its proper divisors (447348454560).

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

188725051872 is an equidigital number, since it uses as much as digits as its factorization.

188725051872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3467203 (or 3467183 counting only the distinct ones).

The product of its (nonzero) digits is 2508800, while the sum is 54.

The spelling of 188725051872 in words is "one hundred eighty-eight billion, seven hundred twenty-five million, fifty-one thousand, eight hundred seventy-two".