316926161 has 2 divisors, whose sum is σ = 316926162. Its totient is φ = 316926160.

The previous prime is 316926157. The next prime is 316926163. The reversal of 316926161 is 161629613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232745536 + 84180625 = 15256^2 + 9175^2 .

It is a cyclic number.

It is not a de Polignac number, because 316926161 - 2² = 316926157 is a prime.

Together with 316926163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (316926163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158463080 + 158463081.

It is an arithmetic number, because the mean of its divisors is an integer number (158463081).

Almost surely, 2^316926161 is an apocalyptic number.

It is an amenable number.

316926161 is a deficient number, since it is larger than the sum of its proper divisors (1).

316926161 is an equidigital number, since it uses as much as digits as its factorization.

316926161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 35.

The square root of 316926161 is about 17802.4200882914. The cubic root of 316926161 is about 681.7932490767.

The spelling of 316926161 in words is "three hundred sixteen million, nine hundred twenty-six thousand, one hundred sixty-one".