2160660205 has 16 divisors (see below), whose sum is σ = 2867252544. Its totient is φ = 1549860480.

The previous prime is 2160660197. The next prime is 2160660217. The reversal of 2160660205 is 5020660612.

It is not a de Polignac number, because 2160660205 - 2³ = 2160660197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265059 + ... + 273088.

It is an arithmetic number, because the mean of its divisors is an integer number (179203284).

Almost surely, 2^2160660205 is an apocalyptic number.

It is an amenable number.

2160660205 is a deficient number, since it is larger than the sum of its proper divisors (706592339).

2160660205 is a wasteful number, since it uses less digits than its factorization.

2160660205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538236.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2160660205 is about 46482.9022867549. The cubic root of 2160660205 is about 1292.7925013954.

The spelling of 2160660205 in words is "two billion, one hundred sixty million, six hundred sixty thousand, two hundred five".