318646134568 has 16 divisors (see below), whose sum is σ = 597495106080. Its totient is φ = 159314106288.

The previous prime is 318646134533. The next prime is 318646134647. The reversal of 318646134568 is 865431646813.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 967780 + ... + 1254547.

It is an arithmetic number, because the mean of its divisors is an integer number (37343444130).

Almost surely, 2^318646134568 is an apocalyptic number.

It is an amenable number.

318646134568 is a deficient number, since it is larger than the sum of its proper divisors (278848971512).

318646134568 is a wasteful number, since it uses less digits than its factorization.

318646134568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240256 (or 2240252 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 55.

The spelling of 318646134568 in words is "three hundred eighteen billion, six hundred forty-six million, one hundred thirty-four thousand, five hundred sixty-eight".