63166664 has 16 divisors (see below), whose sum is σ = 129204720. Its totient is φ = 28712080.

The previous prime is 63166651. The next prime is 63166687. The reversal of 63166664 is 46666136.

63166664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 3 ways as a sum of consecutive naturals, for example, 358814 + ... + 358989.

It is an arithmetic number, because the mean of its divisors is an integer number (8075295).

Almost surely, 2^63166664 is an apocalyptic number.

It is an amenable number.

63166664 is an abundant number, since it is smaller than the sum of its proper divisors (66038056).

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

63166664 is a wasteful number, since it uses less digits than its factorization.

63166664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717820 (or 717816 counting only the distinct ones).

The product of its digits is 93312, while the sum is 38.

The square root of 63166664 is about 7947.7458439485. The cubic root of 63166664 is about 398.2562930942.

The spelling of 63166664 in words is "sixty-three million, one hundred sixty-six thousand, six hundred sixty-four".