188457430732 has 6 divisors (see below), whose sum is σ = 329800503788. Its totient is φ = 94228715364.

The previous prime is 188457430709. The next prime is 188457430753. The reversal of 188457430732 is 237034754881.

188457430732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 188457430732.

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 as a sum of consecutive naturals, namely, 23557178838 + ... + 23557178845.

Almost surely, 2^188457430732 is an apocalyptic number.

It is an amenable number.

188457430732 is a deficient number, since it is larger than the sum of its proper divisors (141343073056).

188457430732 is a wasteful number, since it uses less digits than its factorization.

188457430732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47114357687 (or 47114357685 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 188457430732 in words is "one hundred eighty-eight billion, four hundred fifty-seven million, four hundred thirty thousand, seven hundred thirty-two".