16200664 has 16 divisors (see below), whose sum is σ = 30672720. Its totient is φ = 8021280.

The previous prime is 16200641. The next prime is 16200713. The reversal of 16200664 is 46600261.

It is a happy number.

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, 9007 + ... + 10654.

It is an arithmetic number, because the mean of its divisors is an integer number (1917045).

Almost surely, 2^16200664 is an apocalyptic number.

It is an amenable number.

16200664 is a deficient number, since it is larger than the sum of its proper divisors (14472056).

16200664 is a wasteful number, since it uses less digits than its factorization.

16200664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19770 (or 19766 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 16200664 is about 4025.0048447176. The cubic root of 16200664 is about 253.0332565759.

The spelling of 16200664 in words is "sixteen million, two hundred thousand, six hundred sixty-four".