816492833 has 12 divisors (see below), whose sum is σ = 928019988. Its totient is φ = 714013920.

The previous prime is 816492823. The next prime is 816492839. The reversal of 816492833 is 338294618.

It can be written as a sum of positive squares in 2 ways, for example, as 303560929 + 512931904 = 17423^2 + 22648^2 .

It is not a de Polignac number, because 816492833 - 2⁶ = 816492769 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816492839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82298 + ... + 91683.

It is an arithmetic number, because the mean of its divisors is an integer number (77334999).

Almost surely, 2^816492833 is an apocalyptic number.

It is an amenable number.

816492833 is a deficient number, since it is larger than the sum of its proper divisors (111527155).

816492833 is a wasteful number, since it uses less digits than its factorization.

816492833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174032 (or 174013 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 816492833 is about 28574.3387150079. The cubic root of 816492833 is about 934.6538350798.

The spelling of 816492833 in words is "eight hundred sixteen million, four hundred ninety-two thousand, eight hundred thirty-three".