2160305205 has 16 divisors (see below), whose sum is σ = 3459024384. Its totient is φ = 1151317440.

The previous prime is 2160305177. The next prime is 2160305221. The reversal of 2160305205 is 5025030612.

It is not a de Polignac number, because 2160305205 - 2¹² = 2160301109 is a prime.

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, 31429 + ... + 72858.

It is an arithmetic number, because the mean of its divisors is an integer number (216189024).

Almost surely, 2^2160305205 is an apocalyptic number.

It is an amenable number.

2160305205 is a deficient number, since it is larger than the sum of its proper divisors (1298719179).

2160305205 is a wasteful number, since it uses less digits than its factorization.

2160305205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105676.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2160305205 is about 46479.0835215154. The cubic root of 2160305205 is about 1292.7216948776.

Adding to 2160305205 its reverse (5025030612), we get a palindrome (7185335817).

The spelling of 2160305205 in words is "two billion, one hundred sixty million, three hundred five thousand, two hundred five".