164001056 has 24 divisors (see below), whose sum is σ = 325242540. Its totient is φ = 81399808.

The previous prime is 164001049. The next prime is 164001151. The reversal of 164001056 is 650100461.

It can be written as a sum of positive squares in 2 ways, for example, as 150896656 + 13104400 = 12284^2 + 3620^2 .

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, 14321 + ... + 23088.

Almost surely, 2^164001056 is an apocalyptic number.

164001056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164001056 is a deficient number, since it is larger than the sum of its proper divisors (161241484).

164001056 is a wasteful number, since it uses less digits than its factorization.

164001056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37556 (or 37548 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 164001056 is about 12806.2897046725. The cubic root of 164001056 is about 547.3715423210.

The spelling of 164001056 in words is "one hundred sixty-four million, one thousand, fifty-six".