12163445328 has 40 divisors (see below), whose sum is σ = 33270602688. Its totient is φ = 3815982592.

The previous prime is 12163445309. The next prime is 12163445407. The reversal of 12163445328 is 82354436121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7452276 + ... + 7453907.

Almost surely, 2^12163445328 is an apocalyptic number.

It is an amenable number.

12163445328 is an abundant number, since it is smaller than the sum of its proper divisors (21107157360).

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

12163445328 is a wasteful number, since it uses less digits than its factorization.

12163445328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14906211 (or 14906205 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The spelling of 12163445328 in words is "twelve billion, one hundred sixty-three million, four hundred forty-five thousand, three hundred twenty-eight".