16628264 has 16 divisors (see below), whose sum is σ = 32533920. Its totient is φ = 7952560.

The previous prime is 16628263. The next prime is 16628299. The reversal of 16628264 is 46282661.

It is not an unprimeable number, because it can be changed into a prime (16628263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45002 + ... + 45369.

It is an arithmetic number, because the mean of its divisors is an integer number (2033370).

Almost surely, 2^16628264 is an apocalyptic number.

It is an amenable number.

16628264 is a deficient number, since it is larger than the sum of its proper divisors (15905656).

16628264 is a wasteful number, since it uses less digits than its factorization.

16628264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90400 (or 90396 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 16628264 is about 4077.7768452921. The cubic root of 16628264 is about 255.2401377499.

The spelling of 16628264 in words is "sixteen million, six hundred twenty-eight thousand, two hundred sixty-four".