16668364 has 18 divisors (see below), whose sum is σ = 30988580. Its totient is φ = 7843392.

The previous prime is 16668361. The next prime is 16668401. The reversal of 16668364 is 46386661.

It is not an unprimeable number, because it can be changed into a prime (16668361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6054 + ... + 8365.

Almost surely, 2^16668364 is an apocalyptic number.

It is an amenable number.

16668364 is a deficient number, since it is larger than the sum of its proper divisors (14320216).

16668364 is a wasteful number, since it uses less digits than its factorization.

16668364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14457 (or 14438 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 16668364 is about 4082.6907793758. The cubic root of 16668364 is about 255.4451483871.

The spelling of 16668364 in words is "sixteen million, six hundred sixty-eight thousand, three hundred sixty-four".