8161316179 has 2 divisors, whose sum is σ = 8161316180. Its totient is φ = 8161316178.

The previous prime is 8161316143. The next prime is 8161316237. The reversal of 8161316179 is 9716131618.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8161316179 - 2²⁷ = 8027098451 is a prime.

It is not a weakly prime, because it can be changed into another prime (8161316479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4080658089 + 4080658090.

It is an arithmetic number, because the mean of its divisors is an integer number (4080658090).

Almost surely, 2^8161316179 is an apocalyptic number.

8161316179 is a deficient number, since it is larger than the sum of its proper divisors (1).

8161316179 is an equidigital number, since it uses as much as digits as its factorization.

8161316179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 43.

The square root of 8161316179 is about 90340.0032045605. The cubic root of 8161316179 is about 2013.3536564114.

The spelling of 8161316179 in words is "eight billion, one hundred sixty-one million, three hundred sixteen thousand, one hundred seventy-nine".