316665540523 has 2 divisors, whose sum is σ = 316665540524. Its totient is φ = 316665540522.

The previous prime is 316665540463. The next prime is 316665540539. The reversal of 316665540523 is 325045566613.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 316665540523 - 2²⁹ = 316128669611 is a prime.

It is a super-2 number, since 2×316665540523² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (316665540823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158332770261 + 158332770262.

It is an arithmetic number, because the mean of its divisors is an integer number (158332770262).

Almost surely, 2^316665540523 is an apocalyptic number.

316665540523 is a deficient number, since it is larger than the sum of its proper divisors (1).

316665540523 is an equidigital number, since it uses as much as digits as its factorization.

316665540523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944000, while the sum is 46.

The spelling of 316665540523 in words is "three hundred sixteen billion, six hundred sixty-five million, five hundred forty thousand, five hundred twenty-three".