16920604 has 12 divisors (see below), whose sum is σ = 29775928. Its totient is φ = 8413200.

The previous prime is 16920599. The next prime is 16920641. The reversal of 16920604 is 40602961.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10962 + ... + 12409.

Almost surely, 2^16920604 is an apocalyptic number.

It is an amenable number.

16920604 is a deficient number, since it is larger than the sum of its proper divisors (12855324).

16920604 is a wasteful number, since it uses less digits than its factorization.

16920604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23556 (or 23554 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 16920604 is about 4113.4661782978. The cubic root of 16920604 is about 256.7272411892.

The spelling of 16920604 in words is "sixteen million, nine hundred twenty thousand, six hundred four".