316716732865 has 8 divisors (see below), whose sum is σ = 409295470248. Its totient is φ = 233883125760.

The previous prime is 316716732847. The next prime is 316716732907. The reversal of 316716732865 is 568237617613.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 61380558001 + 255336174864 = 247751^2 + 505308^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 316716732865 - 2¹⁹ = 316716208577 is a prime.

It is a super-2 number, since 2×316716732865² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2436282496 + ... + 2436282625.

It is an arithmetic number, because the mean of its divisors is an integer number (51161933781).

Almost surely, 2^316716732865 is an apocalyptic number.

It is an amenable number.

316716732865 is a deficient number, since it is larger than the sum of its proper divisors (92578737383).

316716732865 is a wasteful number, since it uses less digits than its factorization.

316716732865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4872565139.

The product of its digits is 7620480, while the sum is 55.

The spelling of 316716732865 in words is "three hundred sixteen billion, seven hundred sixteen million, seven hundred thirty-two thousand, eight hundred sixty-five".