318666867371 has 2 divisors, whose sum is σ = 318666867372. Its totient is φ = 318666867370.

The previous prime is 318666867361. The next prime is 318666867403. The reversal of 318666867371 is 173768666813.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318666867371 is a prime.

It is not a weakly prime, because it can be changed into another prime (318666867341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159333433685 + 159333433686.

It is an arithmetic number, because the mean of its divisors is an integer number (159333433686).

Almost surely, 2^318666867371 is an apocalyptic number.

318666867371 is a deficient number, since it is larger than the sum of its proper divisors (1).

318666867371 is an equidigital number, since it uses as much as digits as its factorization.

318666867371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36578304, while the sum is 62.

The spelling of 318666867371 in words is "three hundred eighteen billion, six hundred sixty-six million, eight hundred sixty-seven thousand, three hundred seventy-one".