816116522 has 16 divisors (see below), whose sum is σ = 1349003040. Its totient is φ = 367908912.

The previous prime is 816116489. The next prime is 816116537. The reversal of 816116522 is 225611618.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363872 + ... + 366107.

It is an arithmetic number, because the mean of its divisors is an integer number (84312690).

Almost surely, 2^816116522 is an apocalyptic number.

816116522 is a deficient number, since it is larger than the sum of its proper divisors (532886518).

816116522 is a wasteful number, since it uses less digits than its factorization.

816116522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730037.

The product of its digits is 5760, while the sum is 32.

The square root of 816116522 is about 28567.7531843161. The cubic root of 816116522 is about 934.5102230547.

The spelling of 816116522 in words is "eight hundred sixteen million, one hundred sixteen thousand, five hundred twenty-two".