188013666272 has 12 divisors (see below), whose sum is σ = 370151905536. Its totient is φ = 94006833120.

The previous prime is 188013666251. The next prime is 188013666329. The reversal of 188013666272 is 272666310881.

It is a self number, because there is not a number n which added to its sum of digits gives 188013666272.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2937713504 + ... + 2937713567.

It is an arithmetic number, because the mean of its divisors is an integer number (30845992128).

Almost surely, 2^188013666272 is an apocalyptic number.

It is an amenable number.

188013666272 is a deficient number, since it is larger than the sum of its proper divisors (182138239264).

188013666272 is an equidigital number, since it uses as much as digits as its factorization.

188013666272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5875427081 (or 5875427073 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 188013666272 in words is "one hundred eighty-eight billion, thirteen million, six hundred sixty-six thousand, two hundred seventy-two".