16662652764 has 24 divisors (see below), whose sum is σ = 38901330048. Its totient is φ = 5551102320.

The previous prime is 16662652733. The next prime is 16662652807. The reversal of 16662652764 is 46725626661.

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, 367072 + ... + 409959.

It is an arithmetic number, because the mean of its divisors is an integer number (1620888752).

Almost surely, 2^16662652764 is an apocalyptic number.

It is an amenable number.

16662652764 is an abundant number, since it is smaller than the sum of its proper divisors (22238677284).

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

16662652764 is a wasteful number, since it uses less digits than its factorization.

16662652764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778825 (or 778823 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 51.

The spelling of 16662652764 in words is "sixteen billion, six hundred sixty-two million, six hundred fifty-two thousand, seven hundred sixty-four".