12315566161166 has 8 divisors (see below), whose sum is σ = 18866399225760. Its totient is φ = 6026766419248.

The previous prime is 12315566161141. The next prime is 12315566161181. The reversal of 12315566161166 is 66116166551321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 65508330551 + ... + 65508330738.

It is an arithmetic number, because the mean of its divisors is an integer number (2358299903220).

Almost surely, 2^{12315566161166} is an apocalyptic number.

12315566161166 is a deficient number, since it is larger than the sum of its proper divisors (6550833064594).

12315566161166 is a wasteful number, since it uses less digits than its factorization.

12315566161166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131016661338.

The product of its digits is 1166400, while the sum is 50.

The spelling of 12315566161166 in words is "twelve trillion, three hundred fifteen billion, five hundred sixty-six million, one hundred sixty-one thousand, one hundred sixty-six".