63536664 has 16 divisors (see below), whose sum is σ = 158841720. Its totient is φ = 21178880.

The previous prime is 63536657. The next prime is 63536689. The reversal of 63536664 is 46663536.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323657 + ... + 1323704.

Almost surely, 2^63536664 is an apocalyptic number.

It is an amenable number.

63536664 is an abundant number, since it is smaller than the sum of its proper divisors (95305056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63536664 is a wasteful number, since it uses less digits than its factorization.

63536664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647370 (or 2647366 counting only the distinct ones).

The product of its digits is 233280, while the sum is 39.

The square root of 63536664 is about 7970.9888972448. The cubic root of 63536664 is about 399.0323778224.

The spelling of 63536664 in words is "sixty-three million, five hundred thirty-six thousand, six hundred sixty-four".