2160656555 has 8 divisors (see below), whose sum is σ = 2628305952. Its totient is φ = 1704846528.

The previous prime is 2160656503. The next prime is 2160656567. The reversal of 2160656555 is 5556560612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2160656555 - 2²⁰ = 2159607979 is a prime.

It is a Duffinian number.

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, 2959439 + ... + 2960168.

It is an arithmetic number, because the mean of its divisors is an integer number (328538244).

Almost surely, 2^2160656555 is an apocalyptic number.

2160656555 is a deficient number, since it is larger than the sum of its proper divisors (467649397).

2160656555 is an equidigital number, since it uses as much as digits as its factorization.

2160656555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5919685.

The product of its (nonzero) digits is 270000, while the sum is 41.

The square root of 2160656555 is about 46482.8630249902. The cubic root of 2160656555 is about 1292.7917734241.

The spelling of 2160656555 in words is "two billion, one hundred sixty million, six hundred fifty-six thousand, five hundred fifty-five".