2160560556 has 144 divisors (see below), whose sum is σ = 6827708160. Its totient is φ = 559647360.

The previous prime is 2160560543. The next prime is 2160560579. The reversal of 2160560556 is 6550650612.

It is a happy number.

It is a super-2 number, since 2×2160560556² = 9336043832286058272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2160560556.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1293690 + ... + 1295358.

It is an arithmetic number, because the mean of its divisors is an integer number (47414640).

Almost surely, 2^2160560556 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 2160560556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3413854080).

2160560556 is an abundant number, since it is smaller than the sum of its proper divisors (4667147604).

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

2160560556 is a wasteful number, since it uses less digits than its factorization.

2160560556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164 (or 2159 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 2160560556 is about 46481.8303856464. The cubic root of 2160560556 is about 1292.7726266891.

The spelling of 2160560556 in words is "two billion, one hundred sixty million, five hundred sixty thousand, five hundred fifty-six".