8491613299680 has 192 divisors, whose sum is σ = 30571066165248. Its totient is φ = 1940860293120.

The previous prime is 8491613299667. The next prime is 8491613299751. The reversal of 8491613299680 is 869923161948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129901884 + ... + 129967236.

It is an arithmetic number, because the mean of its divisors is an integer number (159224302944).

Almost surely, 2^{8491613299680} is an apocalyptic number.

8491613299680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8491613299680 is an abundant number, since it is smaller than the sum of its proper divisors (22079452865568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8491613299680 is a wasteful number, since it uses less digits than its factorization.

8491613299680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104049 (or 104041 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 66.

The spelling of 8491613299680 in words is "eight trillion, four hundred ninety-one billion, six hundred thirteen million, two hundred ninety-nine thousand, six hundred eighty".