16044664 has 16 divisors (see below), whose sum is σ = 31667400. Its totient is φ = 7600032.

The previous prime is 16044659. The next prime is 16044689. The reversal of 16044664 is 46644061.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52627 + ... + 52930.

Almost surely, 2^16044664 is an apocalyptic number.

It is an amenable number.

16044664 is a deficient number, since it is larger than the sum of its proper divisors (15622736).

16044664 is a wasteful number, since it uses less digits than its factorization.

16044664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105582 (or 105578 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 16044664 is about 4005.5791091926. The cubic root of 16044664 is about 252.2184634485.

The spelling of 16044664 in words is "sixteen million, forty-four thousand, six hundred sixty-four".