2160023556 has 24 divisors (see below), whose sum is σ = 5147291520. Its totient is φ = 704688352.

The previous prime is 2160023543. The next prime is 2160023573. The reversal of 2160023556 is 6553200612.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1914351 + ... + 1915478.

It is an arithmetic number, because the mean of its divisors is an integer number (214470480).

Almost surely, 2^2160023556 is an apocalyptic number.

It is an amenable number.

2160023556 is an abundant number, since it is smaller than the sum of its proper divisors (2987267964).

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

2160023556 is a wasteful number, since it uses less digits than its factorization.

2160023556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829883 (or 3829881 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 2160023556 is about 46476.0535760084. The cubic root of 2160023556 is about 1292.6655130635.

The spelling of 2160023556 in words is "two billion, one hundred sixty million, twenty-three thousand, five hundred fifty-six".