188375534072 has 32 divisors (see below), whose sum is σ = 385334506800. Its totient is φ = 85620595200.

The previous prime is 188375534069. The next prime is 188375534093. The reversal of 188375534072 is 270435573881.

It is a super-2 number, since 2×188375534072² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1973954 + ... + 2067182.

Almost surely, 2^188375534072 is an apocalyptic number.

It is an amenable number.

188375534072 is an abundant number, since it is smaller than the sum of its proper divisors (196958972728).

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

188375534072 is a wasteful number, since it uses less digits than its factorization.

188375534072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116207 (or 116203 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 188375534072 in words is "one hundred eighty-eight billion, three hundred seventy-five million, five hundred thirty-four thousand, seventy-two".