164238792 has 16 divisors (see below), whose sum is σ = 410597040. Its totient is φ = 54746256.

The previous prime is 164238733. The next prime is 164238817. The reversal of 164238792 is 297832461.

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, 3421618 + ... + 3421665.

It is an arithmetic number, because the mean of its divisors is an integer number (25662315).

Almost surely, 2^164238792 is an apocalyptic number.

164238792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164238792 is an abundant number, since it is smaller than the sum of its proper divisors (246358248).

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

164238792 is a wasteful number, since it uses less digits than its factorization.

164238792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6843292 (or 6843288 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 164238792 is about 12815.5683447906. The cubic root of 164238792 is about 547.6359046285.

The spelling of 164238792 in words is "one hundred sixty-four million, two hundred thirty-eight thousand, seven hundred ninety-two".