2665167 has 4 divisors (see below), whose sum is σ = 3553560. Its totient is φ = 1776776.

The previous prime is 2665139. The next prime is 2665177. The reversal of 2665167 is 7615662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2665167 - 2⁸ = 2664911 is a prime.

It is a D-number.

2665167 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665177) 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, 444192 + ... + 444197.

It is an arithmetic number, because the mean of its divisors is an integer number (888390).

2^2665167 is an apocalyptic number.

2665167 is a deficient number, since it is larger than the sum of its proper divisors (888393).

2665167 is an equidigital number, since it uses as much as digits as its factorization.

2665167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888392.

The product of its digits is 15120, while the sum is 33.

The square root of 2665167 is about 1632.5339200151. The cubic root of 2665167 is about 138.6462547258.

The spelling of 2665167 in words is "two million, six hundred sixty-five thousand, one hundred sixty-seven".