2162539868 has 24 divisors (see below), whose sum is σ = 3840651360. Its totient is φ = 1065234240.

The previous prime is 2162539861. The next prime is 2162539877. The reversal of 2162539868 is 8689352612.

2162539868 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 not an unprimeable number, because it can be changed into a prime (2162539861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581198 + ... + 584906.

It is an arithmetic number, because the mean of its divisors is an integer number (160027140).

Almost surely, 2^2162539868 is an apocalyptic number.

It is an amenable number.

2162539868 is a deficient number, since it is larger than the sum of its proper divisors (1678111492).

2162539868 is a wasteful number, since it uses less digits than its factorization.

2162539868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5837 (or 5835 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 2162539868 is about 46503.1167557617. The cubic root of 2162539868 is about 1293.1672803486.

The spelling of 2162539868 in words is "two billion, one hundred sixty-two million, five hundred thirty-nine thousand, eight hundred sixty-eight".