2167165 has 32 divisors (see below), whose sum is σ = 3499776. Its totient is φ = 1244160.

The previous prime is 2167163. The next prime is 2167183. The reversal of 2167165 is 5617612.

It is not a de Polignac number, because 2167165 - 2¹ = 2167163 is a prime.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2167163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4789 + ... + 5221.

It is an arithmetic number, because the mean of its divisors is an integer number (109368).

2^2167165 is an apocalyptic number.

It is an amenable number.

2167165 is a deficient number, since it is larger than the sum of its proper divisors (1332611).

2167165 is a wasteful number, since it uses less digits than its factorization.

2167165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469.

The product of its digits is 2520, while the sum is 28.

The square root of 2167165 is about 1472.1294100724. The cubic root of 2167165 is about 129.4088544354.

It can be divided in two parts, 21671 and 65, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 2167165 in words is "two million, one hundred sixty-seven thousand, one hundred sixty-five".