2165116 has 12 divisors (see below), whose sum is σ = 3799432. Its totient is φ = 1079568.

The previous prime is 2165089. The next prime is 2165117. The reversal of 2165116 is 6115612.

2165116 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2165117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2011 + ... + 2893.

2^2165116 is an apocalyptic number.

It is an amenable number.

2165116 is a deficient number, since it is larger than the sum of its proper divisors (1634316).

2165116 is a wasteful number, since it uses less digits than its factorization.

2165116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500 (or 1498 counting only the distinct ones).

The product of its digits is 360, while the sum is 22.

The square root of 2165116 is about 1471.4333148329. The cubic root of 2165116 is about 129.3680573028.

The spelling of 2165116 in words is "two million, one hundred sixty-five thousand, one hundred sixteen".