16622668 has 12 divisors (see below), whose sum is σ = 30800952. Its totient is φ = 7822400.

The previous prime is 16622647. The next prime is 16622677. The reversal of 16622668 is 86622661.

It is an unprimeable number.

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, 122158 + ... + 122293.

It is an arithmetic number, because the mean of its divisors is an integer number (2566746).

Almost surely, 2^16622668 is an apocalyptic number.

It is an amenable number.

16622668 is a deficient number, since it is larger than the sum of its proper divisors (14178284).

16622668 is a wasteful number, since it uses less digits than its factorization.

16622668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244472 (or 244470 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 16622668 is about 4077.0906293581. The cubic root of 16622668 is about 255.2115020874.

The spelling of 16622668 in words is "sixteen million, six hundred twenty-two thousand, six hundred sixty-eight".