16647613464 has 16 divisors (see below), whose sum is σ = 41619033720. Its totient is φ = 5549204480.

The previous prime is 16647613453. The next prime is 16647613483. The reversal of 16647613464 is 46431674661.

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, 346825257 + ... + 346825304.

Almost surely, 2^16647613464 is an apocalyptic number.

It is an amenable number.

16647613464 is an abundant number, since it is smaller than the sum of its proper divisors (24971420256).

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

16647613464 is a wasteful number, since it uses less digits than its factorization.

16647613464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693650570 (or 693650566 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 48.

The spelling of 16647613464 in words is "sixteen billion, six hundred forty-seven million, six hundred thirteen thousand, four hundred sixty-four".