6887165 has 8 divisors (see below), whose sum is σ = 8341080. Its totient is φ = 5458752.

The previous prime is 6887161. The next prime is 6887171. The reversal of 6887165 is 5617886.

It can be written as a sum of positive squares in 4 ways, for example, as 241081 + 6646084 = 491^2 + 2578^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6887165 - 2² = 6887161 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6887161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5774 + ... + 6863.

It is an arithmetic number, because the mean of its divisors is an integer number (1042635).

Almost surely, 2^6887165 is an apocalyptic number.

It is an amenable number.

6887165 is a deficient number, since it is larger than the sum of its proper divisors (1453915).

6887165 is a wasteful number, since it uses less digits than its factorization.

6887165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12751.

The product of its digits is 80640, while the sum is 41.

The square root of 6887165 is about 2624.3408696280. The cubic root of 6887165 is about 190.2597094787.

The spelling of 6887165 in words is "six million, eight hundred eighty-seven thousand, one hundred sixty-five".