318845661707 has 2 divisors, whose sum is σ = 318845661708. Its totient is φ = 318845661706.

The previous prime is 318845661661. The next prime is 318845661731. The reversal of 318845661707 is 707166548813.

It is a strong prime.

It is an emirp because it is prime and its reverse (707166548813) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 318845661707 - 2¹⁶ = 318845596171 is a prime.

It is not a weakly prime, because it can be changed into another prime (318845664707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159422830853 + 159422830854.

It is an arithmetic number, because the mean of its divisors is an integer number (159422830854).

Almost surely, 2^318845661707 is an apocalyptic number.

318845661707 is a deficient number, since it is larger than the sum of its proper divisors (1).

318845661707 is an equidigital number, since it uses as much as digits as its factorization.

318845661707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 318845661707 in words is "three hundred eighteen billion, eight hundred forty-five million, six hundred sixty-one thousand, seven hundred seven".