318647068461 has 12 divisors (see below), whose sum is σ = 460399576000. Its totient is φ = 212370645960.

The previous prime is 318647068391. The next prime is 318647068471. The reversal of 318647068461 is 164860746813.

318647068461 is a `hidden beast` number, since 3 + 1 + 86 + 47 + 0 + 68 + 461 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-318647068461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 318647068398 and 318647068407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318647068471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5027845 + ... + 5090826.

Almost surely, 2^318647068461 is an apocalyptic number.

It is an amenable number.

318647068461 is a deficient number, since it is larger than the sum of its proper divisors (141752507539).

318647068461 is a wasteful number, since it uses less digits than its factorization.

318647068461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10122176 (or 10122173 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 318647068461 in words is "three hundred eighteen billion, six hundred forty-seven million, sixty-eight thousand, four hundred sixty-one".