2160521872 has 40 divisors (see below), whose sum is σ = 4243790880. Its totient is φ = 1065396480.

The previous prime is 2160521849. The next prime is 2160521873. The reversal of 2160521872 is 2781250612.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2160521873) 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, 1073347 + ... + 1075357.

It is an arithmetic number, because the mean of its divisors is an integer number (106094772).

Almost surely, 2^2160521872 is an apocalyptic number.

It is an amenable number.

2160521872 is a deficient number, since it is larger than the sum of its proper divisors (2083269008).

2160521872 is a wasteful number, since it uses less digits than its factorization.

2160521872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911 (or 2905 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 2160521872 is about 46481.4142641981. The cubic root of 2160521872 is about 1292.7649111120.

The spelling of 2160521872 in words is "two billion, one hundred sixty million, five hundred twenty-one thousand, eight hundred seventy-two".