164257074 has 12 divisors (see below), whose sum is σ = 355890366. Its totient is φ = 54752352.

The previous prime is 164257069. The next prime is 164257129. The reversal of 164257074 is 470752461.

164257074 is a `hidden beast` number, since 1 + 642 + 5 + 7 + 0 + 7 + 4 = 666.

164257074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 90383049 + 73874025 = 9507^2 + 8595^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4562679 + ... + 4562714.

Almost surely, 2^164257074 is an apocalyptic number.

164257074 is an abundant number, since it is smaller than the sum of its proper divisors (191633292).

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

164257074 is a wasteful number, since it uses less digits than its factorization.

164257074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9125401 (or 9125398 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 164257074 is about 12816.2815980299. The cubic root of 164257074 is about 547.6562236368.

The spelling of 164257074 in words is "one hundred sixty-four million, two hundred fifty-seven thousand, seventy-four".