9393216564666 has 32 divisors (see below), whose sum is σ = 20504553513408. Its totient is φ = 2845003869440.

The previous prime is 9393216564643. The next prime is 9393216564733. The reversal of 9393216564666 is 6664656123939.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9393216564597 and 9393216564606.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35502015 + ... + 35765618.

It is an arithmetic number, because the mean of its divisors is an integer number (640767297294).

Almost surely, 2^{9393216564666} is an apocalyptic number.

9393216564666 is an abundant number, since it is smaller than the sum of its proper divisors (11111336948742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9393216564666 is a wasteful number, since it uses less digits than its factorization.

9393216564666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71269646.

The product of its digits is 226748160, while the sum is 66.

The spelling of 9393216564666 in words is "nine trillion, three hundred ninety-three billion, two hundred sixteen million, five hundred sixty-four thousand, six hundred sixty-six".