816318604 has 12 divisors (see below), whose sum is σ = 1430218944. Its totient is φ = 407684624.

The previous prime is 816318583. The next prime is 816318611. The reversal of 816318604 is 406813618.

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, 114787 + ... + 121690.

It is an arithmetic number, because the mean of its divisors is an integer number (119184912).

Almost surely, 2^816318604 is an apocalyptic number.

It is an amenable number.

816318604 is a deficient number, since it is larger than the sum of its proper divisors (613900340).

816318604 is a wasteful number, since it uses less digits than its factorization.

816318604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237344 (or 237342 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 816318604 is about 28571.2898553775. The cubic root of 816318604 is about 934.5873493411.

The spelling of 816318604 in words is "eight hundred sixteen million, three hundred eighteen thousand, six hundred four".