64566464 has 14 divisors (see below), whose sum is σ = 128124204. Its totient is φ = 32283200.

The previous prime is 64566457. The next prime is 64566479. The reversal of 64566464 is 46466546.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504362 + ... + 504489.

Almost surely, 2^64566464 is an apocalyptic number.

64566464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64566464 is a deficient number, since it is larger than the sum of its proper divisors (63557740).

64566464 is a wasteful number, since it uses less digits than its factorization.

64566464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008863 (or 1008853 counting only the distinct ones).

The product of its digits is 414720, while the sum is 41.

The square root of 64566464 is about 8035.3260045875. The cubic root of 64566464 is about 401.1766685670.

The spelling of 64566464 in words is "sixty-four million, five hundred sixty-six thousand, four hundred sixty-four".