64623316 has 6 divisors (see below), whose sum is σ = 113090810. Its totient is φ = 32311656.

The previous prime is 64623301. The next prime is 64623331. The reversal of 64623316 is 61332646.

64623316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64623301) and next prime (64623331).

It can be written as a sum of positive squares in only one way, i.e., 54700816 + 9922500 = 7396^2 + 3150^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8077911 + ... + 8077918.

Almost surely, 2^64623316 is an apocalyptic number.

It is an amenable number.

64623316 is a deficient number, since it is larger than the sum of its proper divisors (48467494).

64623316 is a wasteful number, since it uses less digits than its factorization.

64623316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16155833 (or 16155831 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 64623316 is about 8038.8628549068. The cubic root of 64623316 is about 401.2943819206.

The spelling of 64623316 in words is "sixty-four million, six hundred twenty-three thousand, three hundred sixteen".