16628012 has 12 divisors (see below), whose sum is σ = 29159760. Its totient is φ = 8296656.

The previous prime is 16628009. The next prime is 16628039. The reversal of 16628012 is 21082661.

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, 2048 + ... + 6119.

It is an arithmetic number, because the mean of its divisors is an integer number (2429980).

Almost surely, 2^16628012 is an apocalyptic number.

It is an amenable number.

16628012 is a deficient number, since it is larger than the sum of its proper divisors (12531748).

16628012 is a wasteful number, since it uses less digits than its factorization.

16628012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8680 (or 8678 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 16628012 is about 4077.7459459854. The cubic root of 16628012 is about 255.2388483621.

The spelling of 16628012 in words is "sixteen million, six hundred twenty-eight thousand, twelve".