816507238162 has 16 divisors (see below), whose sum is σ = 1526974575552. Its totient is φ = 318119703120.

The previous prime is 816507238111. The next prime is 816507238187. The reversal of 816507238162 is 261832705618.

It is a happy number.

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, 2650997373 + ... + 2650997680.

It is an arithmetic number, because the mean of its divisors is an integer number (95435910972).

Almost surely, 2^816507238162 is an apocalyptic number.

816507238162 is a deficient number, since it is larger than the sum of its proper divisors (710467337390).

816507238162 is a wasteful number, since it uses less digits than its factorization.

816507238162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5301995073.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 816507238162 in words is "eight hundred sixteen billion, five hundred seven million, two hundred thirty-eight thousand, one hundred sixty-two".