317316549648 has 160 divisors (see below), whose sum is σ = 956806816000. Its totient is φ = 90581428224.

The previous prime is 317316549619. The next prime is 317316549713. The reversal of 317316549648 is 846945613713.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19962888 + ... + 19978776.

It is an arithmetic number, because the mean of its divisors is an integer number (5980042600).

Almost surely, 2^317316549648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317316549648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478403408000).

317316549648 is an abundant number, since it is smaller than the sum of its proper divisors (639490266352).

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

317316549648 is a wasteful number, since it uses less digits than its factorization.

317316549648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17134 (or 17114 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 57.

The spelling of 317316549648 in words is "three hundred seventeen billion, three hundred sixteen million, five hundred forty-nine thousand, six hundred forty-eight".