16917020464 has 20 divisors (see below), whose sum is σ = 32803697304. Its totient is φ = 8451550208.

The previous prime is 16917020441. The next prime is 16917020473. The reversal of 16917020464 is 46402071961.

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, 414922 + ... + 453865.

Almost surely, 2^16917020464 is an apocalyptic number.

It is an amenable number.

16917020464 is a deficient number, since it is larger than the sum of its proper divisors (15886676840).

16917020464 is a wasteful number, since it uses less digits than its factorization.

16917020464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870012 (or 870006 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 16917020464 in words is "sixteen billion, nine hundred seventeen million, twenty thousand, four hundred sixty-four".