188925064 has 8 divisors (see below), whose sum is σ = 354234510. Its totient is φ = 94462528.

The previous prime is 188925049. The next prime is 188925109. The reversal of 188925064 is 460529881.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 188512900 + 412164 = 13730^2 + 642^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 188925064.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11807809 + ... + 11807824.

Almost surely, 2^188925064 is an apocalyptic number.

It is an amenable number.

188925064 is a deficient number, since it is larger than the sum of its proper divisors (165309446).

188925064 is a wasteful number, since it uses less digits than its factorization.

188925064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23615639 (or 23615635 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 188925064 is about 13745.0014186976. The cubic root of 188925064 is about 573.8034996146.

The spelling of 188925064 in words is "one hundred eighty-eight million, nine hundred twenty-five thousand, sixty-four".