315768832648 has 16 divisors (see below), whose sum is σ = 593543042460. Its totient is φ = 157490688000.

The previous prime is 315768832633. The next prime is 315768832697. The reversal of 315768832648 is 846238867513.

It can be written as a sum of positive squares in 2 ways, for example, as 178660073124 + 137108759524 = 422682^2 + 370282^2 .

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, 49212633 + ... + 49219048.

Almost surely, 2^315768832648 is an apocalyptic number.

It is an amenable number.

315768832648 is a deficient number, since it is larger than the sum of its proper divisors (277774209812).

315768832648 is a wasteful number, since it uses less digits than its factorization.

315768832648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98432088 (or 98432084 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 61.

The spelling of 315768832648 in words is "three hundred fifteen billion, seven hundred sixty-eight million, eight hundred thirty-two thousand, six hundred forty-eight".