316665540823 has 2 divisors, whose sum is σ = 316665540824. Its totient is φ = 316665540822.

The previous prime is 316665540817. The next prime is 316665540827. The reversal of 316665540823 is 328045566613.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 316665540823 - 2⁵ = 316665540791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316665540827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158332770411 + 158332770412.

It is an arithmetic number, because the mean of its divisors is an integer number (158332770412).

Almost surely, 2^316665540823 is an apocalyptic number.

316665540823 is a deficient number, since it is larger than the sum of its proper divisors (1).

316665540823 is an equidigital number, since it uses as much as digits as its factorization.

316665540823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 316665540823 in words is "three hundred sixteen billion, six hundred sixty-five million, five hundred forty thousand, eight hundred twenty-three".