2160209888 has 24 divisors (see below), whose sum is σ = 4254279120. Its totient is φ = 1079758080.

The previous prime is 2160209867. The next prime is 2160209903. The reversal of 2160209888 is 8889020612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111653 + ... + 129563.

It is an arithmetic number, because the mean of its divisors is an integer number (177261630).

Almost surely, 2^2160209888 is an apocalyptic number.

It is an amenable number.

2160209888 is a deficient number, since it is larger than the sum of its proper divisors (2094069232).

2160209888 is a wasteful number, since it uses less digits than its factorization.

2160209888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21690 (or 21682 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 2160209888 is about 46478.0581349953. The cubic root of 2160209888 is about 1292.7026821064.

The spelling of 2160209888 in words is "two billion, one hundred sixty million, two hundred nine thousand, eight hundred eighty-eight".