316127658321 has 12 divisors (see below), whose sum is σ = 456826630260. Its totient is φ = 210660484320.

The previous prime is 316127658317. The next prime is 316127658323. The reversal of 316127658321 is 123856721613.

It is a happy number.

316127658321 is a `hidden beast` number, since 3 + 1 + 6 + 1 + 276 + 58 + 321 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 256805697600 + 59321960721 = 506760^2 + 243561^2 .

It is not a de Polignac number, because 316127658321 - 2² = 316127658317 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (316127658323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7585390 + ... + 7626951.

It is an arithmetic number, because the mean of its divisors is an integer number (38068885855).

Almost surely, 2^316127658321 is an apocalyptic number.

It is an amenable number.

316127658321 is a deficient number, since it is larger than the sum of its proper divisors (140698971939).

316127658321 is a wasteful number, since it uses less digits than its factorization.

316127658321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15214656 (or 15214653 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The spelling of 316127658321 in words is "three hundred sixteen billion, one hundred twenty-seven million, six hundred fifty-eight thousand, three hundred twenty-one".