16333664 has 24 divisors (see below), whose sum is σ = 32332608. Its totient is φ = 8122240.

The previous prime is 16333661. The next prime is 16333693. The reversal of 16333664 is 46633361.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 16333664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16333661) by changing a digit.

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, 5009 + ... + 7599.

It is an arithmetic number, because the mean of its divisors is an integer number (1347192).

Almost surely, 2^16333664 is an apocalyptic number.

It is an amenable number.

16333664 is a deficient number, since it is larger than the sum of its proper divisors (15998944).

16333664 is a wasteful number, since it uses less digits than its factorization.

16333664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798 (or 2790 counting only the distinct ones).

The product of its digits is 23328, while the sum is 32.

The square root of 16333664 is about 4041.4927935108. The cubic root of 16333664 is about 253.7237992150.

The spelling of 16333664 in words is "sixteen million, three hundred thirty-three thousand, six hundred sixty-four".