63328564 has 24 divisors (see below), whose sum is σ = 120455720. Its totient is φ = 28957824.

The previous prime is 63328543. The next prime is 63328579. The reversal of 63328564 is 46582336.

It can be written as a sum of positive squares in 4 ways, for example, as 4928400 + 58400164 = 2220^2 + 7642^2 .

It is a congruent number.

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, 82 + ... + 11254.

Almost surely, 2^63328564 is an apocalyptic number.

It is an amenable number.

63328564 is a deficient number, since it is larger than the sum of its proper divisors (57127156).

63328564 is a wasteful number, since it uses less digits than its factorization.

63328564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11299 (or 11297 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 63328564 is about 7957.9246038147. The cubic root of 63328564 is about 398.5962545092.

The spelling of 63328564 in words is "sixty-three million, three hundred twenty-eight thousand, five hundred sixty-four".