16624672 has 12 divisors (see below), whose sum is σ = 32729886. Its totient is φ = 8312320.

The previous prime is 16624667. The next prime is 16624679. The reversal of 16624672 is 27642661.

16624672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13512976 + 3111696 = 3676^2 + 1764^2 .

It is not an unprimeable number, because it can be changed into a prime (16624679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259729 + ... + 259792.

Almost surely, 2^16624672 is an apocalyptic number.

It is an amenable number.

16624672 is a deficient number, since it is larger than the sum of its proper divisors (16105214).

16624672 is an equidigital number, since it uses as much as digits as its factorization.

16624672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519531 (or 519523 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 16624672 is about 4077.3363854360. The cubic root of 16624672 is about 255.2217576271.

The spelling of 16624672 in words is "sixteen million, six hundred twenty-four thousand, six hundred seventy-two".