188153089922 has 54 divisors (see below), whose sum is σ = 336450747843. Its totient is φ = 78684465384.

The previous prime is 188153089909. The next prime is 188153089931. The reversal of 188153089922 is 229980351881.

It can be written as a sum of positive squares in only one way, i.e., 94076544961 + 94076544961 = 306719^2 + 306719^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=306719.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 184644329 + ... + 184645347.

Almost surely, 2^188153089922 is an apocalyptic number.

188153089922 is a deficient number, since it is larger than the sum of its proper divisors (148297657921).

188153089922 is an frugal number, since it uses more digits than its factorization.

188153089922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 56.

The spelling of 188153089922 in words is "one hundred eighty-eight billion, one hundred fifty-three million, eighty-nine thousand, nine hundred twenty-two".