3665167 has 4 divisors (see below), whose sum is σ = 3998376. Its totient is φ = 3331960.

The previous prime is 3665159. The next prime is 3665171. The reversal of 3665167 is 7615663.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7615663 = 11 ⋅692333.

It is a cyclic number.

It is not a de Polignac number, because 3665167 - 2³ = 3665159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665117) 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, 166588 + ... + 166609.

It is an arithmetic number, because the mean of its divisors is an integer number (999594).

Almost surely, 2^3665167 is an apocalyptic number.

3665167 is a deficient number, since it is larger than the sum of its proper divisors (333209).

3665167 is a wasteful number, since it uses less digits than its factorization.

3665167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333208.

The product of its digits is 22680, while the sum is 34.

The square root of 3665167 is about 1914.4625877776. The cubic root of 3665167 is about 154.1811412106.

The spelling of 3665167 in words is "three million, six hundred sixty-five thousand, one hundred sixty-seven".