316563162541 has 2 divisors, whose sum is σ = 316563162542. Its totient is φ = 316563162540.

The previous prime is 316563162497. The next prime is 316563162547. The reversal of 316563162541 is 145261365613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251022042441 + 65541120100 = 501021^2 + 256010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316563162541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316563162547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158281581270 + 158281581271.

It is an arithmetic number, because the mean of its divisors is an integer number (158281581271).

Almost surely, 2^316563162541 is an apocalyptic number.

It is an amenable number.

316563162541 is a deficient number, since it is larger than the sum of its proper divisors (1).

316563162541 is an equidigital number, since it uses as much as digits as its factorization.

316563162541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 43.

The spelling of 316563162541 in words is "three hundred sixteen billion, five hundred sixty-three million, one hundred sixty-two thousand, five hundred forty-one".