9665816916322 has 16 divisors (see below), whose sum is σ = 17544676083840. Its totient is φ = 3898816907328.

The previous prime is 9665816916311. The next prime is 9665816916323. The reversal of 9665816916322 is 2236196185669.

It is not an unprimeable number, because it can be changed into a prime (9665816916323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20306337822 + ... + 20306338297.

It is an arithmetic number, because the mean of its divisors is an integer number (1096542255240).

Almost surely, 2^{9665816916322} is an apocalyptic number.

9665816916322 is a deficient number, since it is larger than the sum of its proper divisors (7878859167518).

9665816916322 is a wasteful number, since it uses less digits than its factorization.

9665816916322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40612676145.

The product of its digits is 50388480, while the sum is 64.

The spelling of 9665816916322 in words is "nine trillion, six hundred sixty-five billion, eight hundred sixteen million, nine hundred sixteen thousand, three hundred twenty-two".