16626412 has 12 divisors (see below), whose sum is σ = 31741416. Its totient is φ = 7557440.

The previous prime is 16626403. The next prime is 16626427. The reversal of 16626412 is 21462661.

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, 188893 + ... + 188980.

It is an arithmetic number, because the mean of its divisors is an integer number (2645118).

Almost surely, 2^16626412 is an apocalyptic number.

It is an amenable number.

16626412 is a deficient number, since it is larger than the sum of its proper divisors (15115004).

16626412 is a wasteful number, since it uses less digits than its factorization.

16626412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377888 (or 377886 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 16626412 is about 4077.5497544481. The cubic root of 16626412 is about 255.2306614693.

The spelling of 16626412 in words is "sixteen million, six hundred twenty-six thousand, four hundred twelve".