816656792 has 32 divisors (see below), whose sum is σ = 1751174400. Its totient is φ = 349756704.

The previous prime is 816656783. The next prime is 816656801. The reversal of 816656792 is 297656618.

It is an interprime number because it is at equal distance from previous prime (816656783) and next prime (816656801).

It is a self number, because there is not a number n which added to its sum of digits gives 816656792.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95759 + ... + 103937.

It is an arithmetic number, because the mean of its divisors is an integer number (54724200).

Almost surely, 2^816656792 is an apocalyptic number.

It is an amenable number.

816656792 is an abundant number, since it is smaller than the sum of its proper divisors (934517608).

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

816656792 is a wasteful number, since it uses less digits than its factorization.

816656792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9975 (or 9971 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 816656792 is about 28577.2075612716. The cubic root of 816656792 is about 934.7163931515.

The spelling of 816656792 in words is "eight hundred sixteen million, six hundred fifty-six thousand, seven hundred ninety-two".