188668932 has 12 divisors (see below), whose sum is σ = 440227536. Its totient is φ = 62889640.

The previous prime is 188668897. The next prime is 188668933. The reversal of 188668932 is 239866881.

188668932 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 (12).

It is not an unprimeable number, because it can be changed into a prime (188668933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7861194 + ... + 7861217.

It is an arithmetic number, because the mean of its divisors is an integer number (36685628).

Almost surely, 2^188668932 is an apocalyptic number.

188668932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

188668932 is an abundant number, since it is smaller than the sum of its proper divisors (251558604).

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

188668932 is a wasteful number, since it uses less digits than its factorization.

188668932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15722418 (or 15722416 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The square root of 188668932 is about 13735.6809805703. The cubic root of 188668932 is about 573.5440741718.

The spelling of 188668932 in words is "one hundred eighty-eight million, six hundred sixty-eight thousand, nine hundred thirty-two".