317549341816168 has 128 divisors (see below), whose sum is σ = 746497140480000. Its totient is φ = 123024988857600.

The previous prime is 317549341816163. The next prime is 317549341816199. The reversal of 317549341816168 is 861618143945713.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (317549341816163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1189194333 + ... + 1189461331.

It is an arithmetic number, because the mean of its divisors is an integer number (5832008910000).

Almost surely, 2^{317549341816168} 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 317549341816168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373248570240000).

317549341816168 is an abundant number, since it is smaller than the sum of its proper divisors (428947798663832).

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

317549341816168 is a wasteful number, since it uses less digits than its factorization.

317549341816168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277871 (or 277867 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 67.

The spelling of 317549341816168 in words is "three hundred seventeen trillion, five hundred forty-nine billion, three hundred forty-one million, eight hundred sixteen thousand, one hundred sixty-eight".