816112684 has 12 divisors (see below), whose sum is σ = 1430465008. Its totient is φ = 407408400.

The previous prime is 816112651. The next prime is 816112691. The reversal of 816112684 is 486211618.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159147 + ... + 164194.

Almost surely, 2^816112684 is an apocalyptic number.

It is an amenable number.

816112684 is a deficient number, since it is larger than the sum of its proper divisors (614352324).

816112684 is a wasteful number, since it uses less digits than its factorization.

816112684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323976 (or 323974 counting only the distinct ones).

The product of its digits is 18432, while the sum is 37.

The square root of 816112684 is about 28567.6860105960. The cubic root of 816112684 is about 934.5087581267.

The spelling of 816112684 in words is "eight hundred sixteen million, one hundred twelve thousand, six hundred eighty-four".