8163163161 has 12 divisors (see below), whose sum is σ = 11792135680. Its totient is φ = 5441693400.

The previous prime is 8163163157. The next prime is 8163163163. The reversal of 8163163161 is 1613613618.

8163163161 is a `hidden beast` number, since 8 + 1 + 631 + 6 + 3 + 16 + 1 = 666.

It is not a de Polignac number, because 8163163161 - 2² = 8163163157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8163163163) 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, 132120 + ... + 183798.

Almost surely, 2^8163163161 is an apocalyptic number.

It is an amenable number.

8163163161 is a deficient number, since it is larger than the sum of its proper divisors (3628972519).

8163163161 is a wasteful number, since it uses less digits than its factorization.

8163163161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69236 (or 69233 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 8163163161 is about 90350.2250190889. The cubic root of 8163163161 is about 2013.5055251948.

Adding to 8163163161 its reverse (1613613618), we get a palindrome (9776776779).

The spelling of 8163163161 in words is "eight billion, one hundred sixty-three million, one hundred sixty-three thousand, one hundred sixty-one".