164636264 has 32 divisors (see below), whose sum is σ = 332972640. Its totient is φ = 75864000.

The previous prime is 164636239. The next prime is 164636281. The reversal of 164636264 is 462636461.

It is a happy number.

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 in 7 ways as a sum of consecutive naturals, for example, 112739 + ... + 114189.

It is an arithmetic number, because the mean of its divisors is an integer number (10405395).

Almost surely, 2^164636264 is an apocalyptic number.

It is an amenable number.

164636264 is an abundant number, since it is smaller than the sum of its proper divisors (168336376).

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

164636264 is a wasteful number, since it uses less digits than its factorization.

164636264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561 (or 2557 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

The square root of 164636264 is about 12831.0663625437. The cubic root of 164636264 is about 548.0773240561.

The spelling of 164636264 in words is "one hundred sixty-four million, six hundred thirty-six thousand, two hundred sixty-four".