8916660891604 has 48 divisors (see below), whose sum is σ = 16686565491456. Its totient is φ = 4154298176000.

The previous prime is 8916660891563. The next prime is 8916660891623. The reversal of 8916660891604 is 4061980666198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219693897 + ... + 219734479.

It is an arithmetic number, because the mean of its divisors is an integer number (347636781072).

Almost surely, 2^{8916660891604} is an apocalyptic number.

It is an amenable number.

8916660891604 is a deficient number, since it is larger than the sum of its proper divisors (7769904599852).

8916660891604 is a wasteful number, since it uses less digits than its factorization.

8916660891604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72696 (or 72694 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 64.

The spelling of 8916660891604 in words is "eight trillion, nine hundred sixteen billion, six hundred sixty million, eight hundred ninety-one thousand, six hundred four".