16968664 has 16 divisors (see below), whose sum is σ = 33199920. Its totient is φ = 8115360.

The previous prime is 16968659. The next prime is 16968673. The reversal of 16968664 is 46686961.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 45927 + ... + 46294.

It is an arithmetic number, because the mean of its divisors is an integer number (2074995).

Almost surely, 2^16968664 is an apocalyptic number.

It is an amenable number.

16968664 is a deficient number, since it is larger than the sum of its proper divisors (16231256).

16968664 is a wasteful number, since it uses less digits than its factorization.

16968664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92250 (or 92246 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 16968664 is about 4119.3038246772. The cubic root of 16968664 is about 256.9700742861.

The spelling of 16968664 in words is "sixteen million, nine hundred sixty-eight thousand, six hundred sixty-four".