2163112872 has 32 divisors (see below), whose sum is σ = 5449070880. Its totient is φ = 715532480.

The previous prime is 2163112867. The next prime is 2163112921. The reversal of 2163112872 is 2782113612.

2163112872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340863 + ... + 347150.

It is an arithmetic number, because the mean of its divisors is an integer number (170283465).

Almost surely, 2^2163112872 is an apocalyptic number.

It is an amenable number.

2163112872 is an abundant number, since it is smaller than the sum of its proper divisors (3285958008).

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

2163112872 is a wasteful number, since it uses less digits than its factorization.

2163112872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688153 (or 688149 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 2163112872 is about 46509.2772680892. The cubic root of 2163112872 is about 1293.2814862720.

The spelling of 2163112872 in words is "two billion, one hundred sixty-three million, one hundred twelve thousand, eight hundred seventy-two".