816960008008 has 32 divisors (see below), whose sum is σ = 1539982006200. Its totient is φ = 406301603328.

The previous prime is 816960007967. The next prime is 816960008017. The reversal of 816960008008 is 800800069618.

It can be written as a sum of positive squares in 4 ways, for example, as 737053156324 + 79906851684 = 858518^2 + 282678^2 .

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, 1676610 + ... + 2108302.

Almost surely, 2^816960008008 is an apocalyptic number.

It is an amenable number.

816960008008 is a deficient number, since it is larger than the sum of its proper divisors (723021998192).

816960008008 is a wasteful number, since it uses less digits than its factorization.

816960008008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432961 (or 432957 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The spelling of 816960008008 in words is "eight hundred sixteen billion, nine hundred sixty million, eight thousand, eight".