315767641506648 has 64 divisors (see below), whose sum is σ = 794729316780000. Its totient is φ = 104547873610752.

The previous prime is 315767641506641. The next prime is 315767641506659. The reversal of 315767641506648 is 846605146767513.

It is a super-2 number, since 2×315767641506648² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315767641506641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247025538 + ... + 248300526.

Almost surely, 2^{315767641506648} is an apocalyptic number.

It is an amenable number.

315767641506648 is an abundant number, since it is smaller than the sum of its proper divisors (478961675273352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315767641506648 is a wasteful number, since it uses less digits than its factorization.

315767641506648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344404 (or 1344400 counting only the distinct ones).

The product of its (nonzero) digits is 609638400, while the sum is 69.

The spelling of 315767641506648 in words is "three hundred fifteen trillion, seven hundred sixty-seven billion, six hundred forty-one million, five hundred six thousand, six hundred forty-eight".