164866792 has 8 divisors (see below), whose sum is σ = 309125250. Its totient is φ = 82433392.

The previous prime is 164866789. The next prime is 164866811. The reversal of 164866792 is 297668461.

It can be written as a sum of positive squares in only one way, i.e., 164711556 + 155236 = 12834^2 + 394^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10304167 + ... + 10304182.

Almost surely, 2^164866792 is an apocalyptic number.

It is an amenable number.

164866792 is a deficient number, since it is larger than the sum of its proper divisors (144258458).

164866792 is a wasteful number, since it uses less digits than its factorization.

164866792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20608355 (or 20608351 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 164866792 is about 12840.0464173616. The cubic root of 164866792 is about 548.3330154828. Note that the first 3 decimals are identical.

The spelling of 164866792 in words is "one hundred sixty-four million, eight hundred sixty-six thousand, seven hundred ninety-two".