318904160651 has 2 divisors, whose sum is σ = 318904160652. Its totient is φ = 318904160650.

The previous prime is 318904160639. The next prime is 318904160669. The reversal of 318904160651 is 156061409813.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318904160651 is a prime.

It is a super-4 number, since 4×318904160651⁴ (a number of 47 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (318904160611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159452080325 + 159452080326.

It is an arithmetic number, because the mean of its divisors is an integer number (159452080326).

Almost surely, 2^318904160651 is an apocalyptic number.

318904160651 is a deficient number, since it is larger than the sum of its proper divisors (1).

318904160651 is an equidigital number, since it uses as much as digits as its factorization.

318904160651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 318904160651 in words is "three hundred eighteen billion, nine hundred four million, one hundred sixty thousand, six hundred fifty-one".