316377648761 has 2 divisors, whose sum is σ = 316377648762. Its totient is φ = 316377648760.

The previous prime is 316377648749. The next prime is 316377648787. The reversal of 316377648761 is 167846773613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 281541666025 + 34835982736 = 530605^2 + 186644^2 .

It is a cyclic number.

It is not a de Polignac number, because 316377648761 - 2¹⁸ = 316377386617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 316377648761.

It is not a weakly prime, because it can be changed into another prime (316377648701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158188824380 + 158188824381.

It is an arithmetic number, because the mean of its divisors is an integer number (158188824381).

Almost surely, 2^316377648761 is an apocalyptic number.

It is an amenable number.

316377648761 is a deficient number, since it is larger than the sum of its proper divisors (1).

316377648761 is an equidigital number, since it uses as much as digits as its factorization.

316377648761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21337344, while the sum is 59.

The spelling of 316377648761 in words is "three hundred sixteen billion, three hundred seventy-seven million, six hundred forty-eight thousand, seven hundred sixty-one".