64616264 has 16 divisors (see below), whose sum is σ = 127532400. Its totient is φ = 30607632.

The previous prime is 64616261. The next prime is 64616267. The reversal of 64616264 is 46261646.

It is an interprime number because it is at equal distance from previous prime (64616261) and next prime (64616267).

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (64616261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212402 + ... + 212705.

It is an arithmetic number, because the mean of its divisors is an integer number (7970775).

Almost surely, 2^64616264 is an apocalyptic number.

It is an amenable number.

64616264 is a deficient number, since it is larger than the sum of its proper divisors (62916136).

64616264 is a wasteful number, since it uses less digits than its factorization.

64616264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425132 (or 425128 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 64616264 is about 8038.4242236896. The cubic root of 64616264 is about 401.2797843465.

The spelling of 64616264 in words is "sixty-four million, six hundred sixteen thousand, two hundred sixty-four".