164500256 has 12 divisors (see below), whose sum is σ = 323859942. Its totient is φ = 82250112.

The previous prime is 164500249. The next prime is 164500331. The reversal of 164500256 is 652005461.

It can be written as a sum of positive squares in only one way, i.e., 151683856 + 12816400 = 12316^2 + 3580^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2570285 + ... + 2570348.

Almost surely, 2^164500256 is an apocalyptic number.

164500256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164500256 is a deficient number, since it is larger than the sum of its proper divisors (159359686).

164500256 is an equidigital number, since it uses as much as digits as its factorization.

164500256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5140643 (or 5140635 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 164500256 is about 12825.7653182958. The cubic root of 164500256 is about 547.9263580514.

The spelling of 164500256 in words is "one hundred sixty-four million, five hundred thousand, two hundred fifty-six".