316566661488 has 240 divisors, whose sum is σ = 1038487104000. Its totient is φ = 82170547200.

The previous prime is 316566661471. The next prime is 316566661517. The reversal of 316566661488 is 884166665613.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51715068 + ... + 51721188.

It is an arithmetic number, because the mean of its divisors is an integer number (4327029600).

Almost surely, 2^316566661488 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 316566661488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519243552000).

316566661488 is an abundant number, since it is smaller than the sum of its proper divisors (721920442512).

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

316566661488 is a wasteful number, since it uses less digits than its factorization.

316566661488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8156 (or 8143 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 60.

The spelling of 316566661488 in words is "three hundred sixteen billion, five hundred sixty-six million, six hundred sixty-one thousand, four hundred eighty-eight".