64926916 has 24 divisors (see below), whose sum is σ = 115577280. Its totient is φ = 31909152.

The previous prime is 64926889. The next prime is 64926919. The reversal of 64926916 is 61962946.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (64926919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88945 + ... + 89671.

It is an arithmetic number, because the mean of its divisors is an integer number (4815720).

Almost surely, 2^64926916 is an apocalyptic number.

It is an amenable number.

64926916 is a deficient number, since it is larger than the sum of its proper divisors (50650364).

64926916 is a wasteful number, since it uses less digits than its factorization.

64926916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083 (or 1081 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 64926916 is about 8057.7239962659. The cubic root of 64926916 is about 401.9218266679.

The spelling of 64926916 in words is "sixty-four million, nine hundred twenty-six thousand, nine hundred sixteen".