316667766617 has 2 divisors, whose sum is σ = 316667766618. Its totient is φ = 316667766616.

The previous prime is 316667766607. The next prime is 316667766661. The reversal of 316667766617 is 716667766613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316371375961 + 296390656 = 562469^2 + 17216^2 .

It is a cyclic number.

It is not a de Polignac number, because 316667766617 - 2⁴ = 316667766601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 316667766617.

It is not a weakly prime, because it can be changed into another prime (316667766607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158333883308 + 158333883309.

It is an arithmetic number, because the mean of its divisors is an integer number (158333883309).

Almost surely, 2^316667766617 is an apocalyptic number.

It is an amenable number.

316667766617 is a deficient number, since it is larger than the sum of its proper divisors (1).

316667766617 is an equidigital number, since it uses as much as digits as its factorization.

316667766617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48009024, while the sum is 62.

The spelling of 316667766617 in words is "three hundred sixteen billion, six hundred sixty-seven million, seven hundred sixty-six thousand, six hundred seventeen".