2160000165 has 16 divisors (see below), whose sum is σ = 3456597888. Its totient is φ = 1151800896.

The previous prime is 2160000163. The next prime is 2160000233. The reversal of 2160000165 is 5610000612.

It is a happy number.

It is not a de Polignac number, because 2160000165 - 2¹ = 2160000163 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160000163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129112 + ... + 144878.

It is an arithmetic number, because the mean of its divisors is an integer number (216037368).

Almost surely, 2^2160000165 is an apocalyptic number.

It is an amenable number.

2160000165 is a deficient number, since it is larger than the sum of its proper divisors (1296597723).

2160000165 is a wasteful number, since it uses less digits than its factorization.

2160000165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24908.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2160000165 is about 46475.8019296063. The cubic root of 2160000165 is about 1292.6608469341.

Adding to 2160000165 its reverse (5610000612), we get a palindrome (7770000777).

The spelling of 2160000165 in words is "two billion, one hundred sixty million, one hundred sixty-five", and thus it is an aban number.