12663168156 has 48 divisors (see below), whose sum is σ = 33717755680. Its totient is φ = 4106972160.

The previous prime is 12663168149. The next prime is 12663168197. The reversal of 12663168156 is 65186136621.

12663168156 is a `hidden beast` number, since 1 + 2 + 6 + 631 + 6 + 8 + 1 + 5 + 6 = 666.

12663168156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 1580485 + ... + 1588476.

Almost surely, 2^12663168156 is an apocalyptic number.

It is an amenable number.

12663168156 is an abundant number, since it is smaller than the sum of its proper divisors (21054587524).

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

12663168156 is a wasteful number, since it uses less digits than its factorization.

12663168156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169011 (or 3169003 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The spelling of 12663168156 in words is "twelve billion, six hundred sixty-three million, one hundred sixty-eight thousand, one hundred fifty-six".