6684165 has 12 divisors (see below), whose sum is σ = 11585964. Its totient is φ = 3564864.

The previous prime is 6684163. The next prime is 6684193. The reversal of 6684165 is 5614866.

6684165 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 720801 + 5963364 = 849^2 + 2442^2 .

It is not a de Polignac number, because 6684165 - 2¹ = 6684163 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6684163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74224 + ... + 74313.

It is an arithmetic number, because the mean of its divisors is an integer number (965497).

Almost surely, 2^6684165 is an apocalyptic number.

It is an amenable number.

6684165 is a deficient number, since it is larger than the sum of its proper divisors (4901799).

6684165 is a wasteful number, since it uses less digits than its factorization.

6684165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148548 (or 148545 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 6684165 is about 2585.3752145482. The cubic root of 6684165 is about 188.3717275383.

The spelling of 6684165 in words is "six million, six hundred eighty-four thousand, one hundred sixty-five".