188994056 has 16 divisors (see below), whose sum is σ = 354585600. Its totient is φ = 94437904.

The previous prime is 188994041. The next prime is 188994109. The reversal of 188994056 is 650499881.

It is a happy number.

It is a super-2 number, since 2×188994056² = 71437506406662272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 188993995 and 188994013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8105 + ... + 21063.

It is an arithmetic number, because the mean of its divisors is an integer number (22161600).

Almost surely, 2^188994056 is an apocalyptic number.

It is an amenable number.

188994056 is a deficient number, since it is larger than the sum of its proper divisors (165591544).

188994056 is a wasteful number, since it uses less digits than its factorization.

188994056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14788 (or 14784 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 188994056 is about 13747.5109019779. The cubic root of 188994056 is about 573.8733386507.

The spelling of 188994056 in words is "one hundred eighty-eight million, nine hundred ninety-four thousand, fifty-six".