8516116662880 has 48 divisors (see below), whose sum is σ = 20119690558800. Its totient is φ = 3406384876032.

The previous prime is 8516116662817. The next prime is 8516116662931. The reversal of 8516116662880 is 882666116158.

It is a happy number.

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, 8938462 + ... + 9845218.

It is an arithmetic number, because the mean of its divisors is an integer number (419160219975).

Almost surely, 2^{8516116662880} is an apocalyptic number.

8516116662880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8516116662880 is an abundant number, since it is smaller than the sum of its proper divisors (11603573895920).

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

8516116662880 is a wasteful number, since it uses less digits than its factorization.

8516116662880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965471 (or 965463 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 58.

The spelling of 8516116662880 in words is "eight trillion, five hundred sixteen billion, one hundred sixteen million, six hundred sixty-two thousand, eight hundred eighty".