188932112406 has 24 divisors (see below), whose sum is σ = 409961187480. Its totient is φ = 62883789696.

The previous prime is 188932112381. The next prime is 188932112419. The reversal of 188932112406 is 604211239881.

188932112406 is a `hidden beast` number, since 1 + 8 + 89 + 321 + 1 + 240 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7785976 + ... + 7810203.

It is an arithmetic number, because the mean of its divisors is an integer number (17081716145).

Almost surely, 2^188932112406 is an apocalyptic number.

188932112406 is an abundant number, since it is smaller than the sum of its proper divisors (221029075074).

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

188932112406 is a wasteful number, since it uses less digits than its factorization.

188932112406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15596860 (or 15596857 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 188932112406 in words is "one hundred eighty-eight billion, nine hundred thirty-two million, one hundred twelve thousand, four hundred six".