9718147221316 has 12 divisors (see below), whose sum is σ = 17043971552188. Its totient is φ = 4848441063552.

The previous prime is 9718147221301. The next prime is 9718147221413. The reversal of 9718147221316 is 6131227418179.

9718147221316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4971544252416 + 4746602968900 = 2229696^2 + 2178670^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2658134721 + ... + 2658138376.

Almost surely, 2^{9718147221316} is an apocalyptic number.

It is an amenable number.

9718147221316 is a deficient number, since it is larger than the sum of its proper divisors (7325824330872).

9718147221316 is a wasteful number, since it uses less digits than its factorization.

9718147221316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5316273558 (or 5316273556 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 52.

The spelling of 9718147221316 in words is "nine trillion, seven hundred eighteen billion, one hundred forty-seven million, two hundred twenty-one thousand, three hundred sixteen".