316540320442660 has 24 divisors (see below), whose sum is σ = 687656558204280. Its totient is φ = 122250054791424.

The previous prime is 316540320442649. The next prime is 316540320442663. The reversal of 316540320442660 is 66244023045613.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9066410058304 + 307473910384356 = 3011048^2 + 17534934^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 316540320442660.

It is not an unprimeable number, because it can be changed into a prime (316540320442663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272879586009 + ... + 272879587168.

It is an arithmetic number, because the mean of its divisors is an integer number (28652356591845).

Almost surely, 2^{316540320442660} is an apocalyptic number.

It is an amenable number.

316540320442660 is an abundant number, since it is smaller than the sum of its proper divisors (371116237761620).

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

316540320442660 is a wasteful number, since it uses less digits than its factorization.

316540320442660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545759173215 (or 545759173213 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 46.

The spelling of 316540320442660 in words is "three hundred sixteen trillion, five hundred forty billion, three hundred twenty million, four hundred forty-two thousand, six hundred sixty".