188160864 has 24 divisors (see below), whose sum is σ = 493922520. Its totient is φ = 62720256.

The previous prime is 188160851. The next prime is 188160871. The reversal of 188160864 is 468061881.

188160864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979909 + ... + 980100.

It is an arithmetic number, because the mean of its divisors is an integer number (20580105).

Almost surely, 2^188160864 is an apocalyptic number.

It is an amenable number.

188160864 is an abundant number, since it is smaller than the sum of its proper divisors (305761656).

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

188160864 is a wasteful number, since it uses less digits than its factorization.

188160864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960022 (or 1960014 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 188160864 is about 13717.1740529892. The cubic root of 188160864 is about 573.0287776147.

The spelling of 188160864 in words is "one hundred eighty-eight million, one hundred sixty thousand, eight hundred sixty-four".