9916963816 has 32 divisors (see below), whose sum is σ = 19651010400. Its totient is φ = 4678776000.

The previous prime is 9916963799. The next prime is 9916963841. The reversal of 9916963816 is 6183696199.

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, 91815 + ... + 168118.

It is an arithmetic number, because the mean of its divisors is an integer number (614094075).

Almost surely, 2^9916963816 is an apocalyptic number.

It is an amenable number.

9916963816 is a deficient number, since it is larger than the sum of its proper divisors (9734046584).

9916963816 is a wasteful number, since it uses less digits than its factorization.

9916963816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260209 (or 260205 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 58.

The square root of 9916963816 is about 99583.9536069943. The cubic root of 9916963816 is about 2148.4549069062.

The spelling of 9916963816 in words is "nine billion, nine hundred sixteen million, nine hundred sixty-three thousand, eight hundred sixteen".