6657997008904 has 16 divisors (see below), whose sum is σ = 12484774670400. Its totient is φ = 3328723763472.

The previous prime is 6657997008833. The next prime is 6657997008913. The reversal of 6657997008904 is 4098007997566.

It is a super-2 number, since 2×6657997008904² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34239612 + ... + 34433515.

It is an arithmetic number, because the mean of its divisors is an integer number (780298416900).

Almost surely, 2^{6657997008904} is an apocalyptic number.

It is an amenable number.

6657997008904 is a deficient number, since it is larger than the sum of its proper divisors (5826777661496).

6657997008904 is a wasteful number, since it uses less digits than its factorization.

6657997008904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68685252 (or 68685248 counting only the distinct ones).

The product of its (nonzero) digits is 205752960, while the sum is 70.

The spelling of 6657997008904 in words is "six trillion, six hundred fifty-seven billion, nine hundred ninety-seven million, eight thousand, nine hundred four".