16604335612 has 24 divisors (see below), whose sum is σ = 29179832192. Its totient is φ = 8267281200.

The previous prime is 16604335609. The next prime is 16604335621. The reversal of 16604335612 is 21653340661.

It is a super-2 number, since 2×16604335612² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2068687 + ... + 2076697.

Almost surely, 2^16604335612 is an apocalyptic number.

It is an amenable number.

16604335612 is a deficient number, since it is larger than the sum of its proper divisors (12575496580).

16604335612 is a wasteful number, since it uses less digits than its factorization.

16604335612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10129 (or 10127 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 16604335612 in words is "sixteen billion, six hundred four million, three hundred thirty-five thousand, six hundred twelve".