86116560 has 80 divisors (see below), whose sum is σ = 282678336. Its totient is φ = 21612544.

The previous prime is 86116559. The next prime is 86116603. The reversal of 86116560 is 6561168.

It is a tau number, because it is divible by the number of its divisors (80).

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, 6474 + ... + 14633.

Almost surely, 2^86116560 is an apocalyptic number.

86116560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86116560 is an abundant number, since it is smaller than the sum of its proper divisors (196561776).

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

86116560 is a wasteful number, since it uses less digits than its factorization.

86116560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21140 (or 21134 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 86116560 is about 9279.9008615394. The cubic root of 86116560 is about 441.5998234351.

The spelling of 86116560 in words is "eighty-six million, one hundred sixteen thousand, five hundred sixty".