16328668 has 12 divisors (see below), whose sum is σ = 28937440. Its totient is φ = 8060832.

The previous prime is 16328659. The next prime is 16328671. The reversal of 16328668 is 86682361.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16328668.

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, 25521 + ... + 26152.

Almost surely, 2^16328668 is an apocalyptic number.

It is an amenable number.

16328668 is a deficient number, since it is larger than the sum of its proper divisors (12608772).

16328668 is a wasteful number, since it uses less digits than its factorization.

16328668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51756 (or 51754 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 16328668 is about 4040.8746577938. The cubic root of 16328668 is about 253.6979276293.

The spelling of 16328668 in words is "sixteen million, three hundred twenty-eight thousand, six hundred sixty-eight".