9315097666 has 24 divisors (see below), whose sum is σ = 16363007100. Its totient is φ = 3965385312.

The previous prime is 9315097633. The next prime is 9315097679. The reversal of 9315097666 is 6667905139.

It can be written as a sum of positive squares in 2 ways, for example, as 6519755025 + 2795342641 = 80745^2 + 52871^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304365 + ... + 333568.

Almost surely, 2^9315097666 is an apocalyptic number.

9315097666 is a deficient number, since it is larger than the sum of its proper divisors (7047909434).

9315097666 is a wasteful number, since it uses less digits than its factorization.

9315097666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638098 (or 638091 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 52.

The square root of 9315097666 is about 96514.7536182940. The cubic root of 9315097666 is about 2104.0810786282.

The spelling of 9315097666 in words is "nine billion, three hundred fifteen million, ninety-seven thousand, six hundred sixty-six".