64582664 has 32 divisors (see below), whose sum is σ = 123120000. Its totient is φ = 31756032.

The previous prime is 64582633. The next prime is 64582753. The reversal of 64582664 is 46628546.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179717 + ... + 180075.

It is an arithmetic number, because the mean of its divisors is an integer number (3847500).

Almost surely, 2^64582664 is an apocalyptic number.

It is an amenable number.

64582664 is a deficient number, since it is larger than the sum of its proper divisors (58537336).

64582664 is a wasteful number, since it uses less digits than its factorization.

64582664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 673 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The square root of 64582664 is about 8036.3339900728. Note that the first 3 decimals coincide. The cubic root of 64582664 is about 401.2102180711.

The spelling of 64582664 in words is "sixty-four million, five hundred eighty-two thousand, six hundred sixty-four".