2159983872 has 108 divisors (see below), whose sum is σ = 6307129920. Its totient is φ = 710820864.

The previous prime is 2159983823. The next prime is 2159983877. The reversal of 2159983872 is 2783899512.

It is a super-2 number, since 2×2159983872² = 9331060654600224768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159983877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176083 + ... + 187949.

Almost surely, 2^2159983872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2159983872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3153564960).

2159983872 is an abundant number, since it is smaller than the sum of its proper divisors (4147146048).

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

2159983872 is a wasteful number, since it uses less digits than its factorization.

2159983872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11968 (or 11951 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 2159983872 is about 46475.6266445112. The cubic root of 2159983872 is about 1292.6575967220.

The spelling of 2159983872 in words is "two billion, one hundred fifty-nine million, nine hundred eighty-three thousand, eight hundred seventy-two".