96309612640665 has 40 divisors (see below), whose sum is σ = 172644637172040. Its totient is φ = 51364906887168.

The previous prime is 96309612640639. The next prime is 96309612640679. The reversal of 96309612640665 is 56604621690369.

It is a happy number.

96309612640665 is a `hidden beast` number, since 9 + 6 + 3 + 0 + 9 + 612 + 6 + 4 + 0 + 6 + 6 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 32029498810521 + 64280113830144 = 5659461^2 + 8017488^2 .

It is not a de Polignac number, because 96309612640665 - 2¹⁰ = 96309612639641 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 146816121 + ... + 147470649.

It is an arithmetic number, because the mean of its divisors is an integer number (4316115929301).

Almost surely, 2^{96309612640665} is an apocalyptic number.

It is an amenable number.

96309612640665 is a deficient number, since it is larger than the sum of its proper divisors (76335024531375).

96309612640665 is a wasteful number, since it uses less digits than its factorization.

96309612640665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017863 (or 1017854 counting only the distinct ones).

The product of its (nonzero) digits is 75582720, while the sum is 63.

The spelling of 96309612640665 in words is "ninety-six trillion, three hundred nine billion, six hundred twelve million, six hundred forty thousand, six hundred sixty-five".