8168816168 has 16 divisors (see below), whose sum is σ = 15468180660. Its totient is φ = 4043968000.

The previous prime is 8168816119. The next prime is 8168816207. The reversal of 8168816168 is 8616188618.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8056498564 + 112317604 = 89758^2 + 10598^2 .

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, 5054153 + ... + 5055768.

Almost surely, 2^8168816168 is an apocalyptic number.

It is an amenable number.

8168816168 is a deficient number, since it is larger than the sum of its proper divisors (7299364492).

8168816168 is a wasteful number, since it uses less digits than its factorization.

8168816168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110028 (or 10110024 counting only the distinct ones).

The product of its digits is 884736, while the sum is 53.

The square root of 8168816168 is about 90381.5034617150. The cubic root of 8168816168 is about 2013.9702034974.

The spelling of 8168816168 in words is "eight billion, one hundred sixty-eight million, eight hundred sixteen thousand, one hundred sixty-eight".