9297065661 has 16 divisors (see below), whose sum is σ = 13362417600. Its totient is φ = 5715792000.

The previous prime is 9297065653. The next prime is 9297065663. The reversal of 9297065661 is 1665607929.

It is not a de Polignac number, because 9297065661 - 2³ = 9297065653 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9297065663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72715 + ... + 154536.

It is an arithmetic number, because the mean of its divisors is an integer number (835151100).

Almost surely, 2^9297065661 is an apocalyptic number.

It is an amenable number.

9297065661 is a deficient number, since it is larger than the sum of its proper divisors (4065351939).

9297065661 is a wasteful number, since it uses less digits than its factorization.

9297065661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228316.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The square root of 9297065661 is about 96421.2925706765. The cubic root of 9297065661 is about 2102.7225203690.

The spelling of 9297065661 in words is "nine billion, two hundred ninety-seven million, sixty-five thousand, six hundred sixty-one".