2165316 has 24 divisors (see below), whose sum is σ = 5318880. Its totient is φ = 683712.

The previous prime is 2165291. The next prime is 2165321. The reversal of 2165316 is 6135612.

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, 4521 + ... + 4976.

It is an arithmetic number, because the mean of its divisors is an integer number (221620).

2^2165316 is an apocalyptic number.

It is an amenable number.

2165316 is an abundant number, since it is smaller than the sum of its proper divisors (3153564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2165316 is a wasteful number, since it uses less digits than its factorization.

2165316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9523 (or 9521 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 2165316 is about 1471.5012742094. The cubic root of 2165316 is about 129.3720405867.

The spelling of 2165316 in words is "two million, one hundred sixty-five thousand, three hundred sixteen".