816696892 has 12 divisors (see below), whose sum is σ = 1559148696. Its totient is φ = 371225840.

The previous prime is 816696889. The next prime is 816696943. The reversal of 816696892 is 298696618.

It is a congruent number.

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, 9280603 + ... + 9280690.

It is an arithmetic number, because the mean of its divisors is an integer number (129929058).

Almost surely, 2^816696892 is an apocalyptic number.

It is an amenable number.

816696892 is a deficient number, since it is larger than the sum of its proper divisors (742451804).

816696892 is a wasteful number, since it uses less digits than its factorization.

816696892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18561308 (or 18561306 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 55.

The square root of 816696892 is about 28577.9091607486. The cubic root of 816696892 is about 934.7316919136.

The spelling of 816696892 in words is "eight hundred sixteen million, six hundred ninety-six thousand, eight hundred ninety-two".