64630164 has 48 divisors (see below), whose sum is σ = 157925376. Its totient is φ = 20546400.

The previous prime is 64630147. The next prime is 64630177. The reversal of 64630164 is 46103646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25189 + ... + 27635.

It is an arithmetic number, because the mean of its divisors is an integer number (3290112).

Almost surely, 2^64630164 is an apocalyptic number.

It is an amenable number.

64630164 is an abundant number, since it is smaller than the sum of its proper divisors (93295212).

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

64630164 is a wasteful number, since it uses less digits than its factorization.

64630164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556 (or 2554 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 64630164 is about 8039.2887745123. The cubic root of 64630164 is about 401.3085562003.

The spelling of 64630164 in words is "sixty-four million, six hundred thirty thousand, one hundred sixty-four".