316166344073 has 2 divisors, whose sum is σ = 316166344074. Its totient is φ = 316166344072.

The previous prime is 316166344069. The next prime is 316166344211. The reversal of 316166344073 is 370443661613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 303718925449 + 12447418624 = 551107^2 + 111568^2 .

It is a cyclic number.

It is not a de Polignac number, because 316166344073 - 2² = 316166344069 is a prime.

It is a super-2 number, since 2×316166344073² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (316166340073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158083172036 + 158083172037.

It is an arithmetic number, because the mean of its divisors is an integer number (158083172037).

Almost surely, 2^316166344073 is an apocalyptic number.

It is an amenable number.

316166344073 is a deficient number, since it is larger than the sum of its proper divisors (1).

316166344073 is an equidigital number, since it uses as much as digits as its factorization.

316166344073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 44.

The spelling of 316166344073 in words is "three hundred sixteen billion, one hundred sixty-six million, three hundred forty-four thousand, seventy-three".