64908664 has 16 divisors (see below), whose sum is σ = 122283720. Its totient is φ = 32299680.

The previous prime is 64908659. The next prime is 64908671. The reversal of 64908664 is 46680946.

It is a self number, because there is not a number n which added to its sum of digits gives 64908664.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17539 + ... + 20914.

Almost surely, 2^64908664 is an apocalyptic number.

It is an amenable number.

64908664 is a deficient number, since it is larger than the sum of its proper divisors (57375056).

64908664 is a wasteful number, since it uses less digits than its factorization.

64908664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38670 (or 38666 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 64908664 is about 8056.5913387735. The cubic root of 64908664 is about 401.8841609090.

The spelling of 64908664 in words is "sixty-four million, nine hundred eight thousand, six hundred sixty-four".