916871107986 has 24 divisors (see below), whose sum is σ = 1991740907520. Its totient is φ = 304825727256.

The previous prime is 916871107931. The next prime is 916871107993. The reversal of 916871107986 is 689701178619.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66490866 + ... + 66504653.

It is an arithmetic number, because the mean of its divisors is an integer number (82989204480).

Almost surely, 2^916871107986 is an apocalyptic number.

916871107986 is an abundant number, since it is smaller than the sum of its proper divisors (1074869799534).

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

916871107986 is a wasteful number, since it uses less digits than its factorization.

916871107986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132995910 (or 132995907 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 63.

The spelling of 916871107986 in words is "nine hundred sixteen billion, eight hundred seventy-one million, one hundred seven thousand, nine hundred eighty-six".