12162512166 has 96 divisors (see below), whose sum is σ = 29049425280. Its totient is φ = 3383662464.

The previous prime is 12162512081. The next prime is 12162512177. The reversal of 12162512166 is 66121526121.

12162512166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1852746 + ... + 1859298.

It is an arithmetic number, because the mean of its divisors is an integer number (302598180).

Almost surely, 2^12162512166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12162512166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14524712640).

12162512166 is an abundant number, since it is smaller than the sum of its proper divisors (16886913114).

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

12162512166 is a wasteful number, since it uses less digits than its factorization.

12162512166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6738 (or 6731 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The spelling of 12162512166 in words is "twelve billion, one hundred sixty-two million, five hundred twelve thousand, one hundred sixty-six".