8663312133668 has 12 divisors (see below), whose sum is σ = 15409333877532. Its totient is φ = 4260645311520.

The previous prime is 8663312133617. The next prime is 8663312133673.

8663312133668 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 3031888877824 + 5631423255844 = 1741232^2 + 2373062^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17752688555 + ... + 17752689042.

It is an arithmetic number, because the mean of its divisors is an integer number (1284111156461).

Almost surely, 2^{8663312133668} is an apocalyptic number.

It is an amenable number.

8663312133668 is a deficient number, since it is larger than the sum of its proper divisors (6746021743864).

8663312133668 is a wasteful number, since it uses less digits than its factorization.

8663312133668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35505377662 (or 35505377660 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 56.

The spelling of 8663312133668 in words is "eight trillion, six hundred sixty-three billion, three hundred twelve million, one hundred thirty-three thousand, six hundred sixty-eight".