6604165 has 16 divisors (see below), whose sum is σ = 8213760. Its totient is φ = 5094720.

The previous prime is 6604133. The next prime is 6604181. The reversal of 6604165 is 5614066.

It is not a de Polignac number, because 6604165 - 2⁵ = 6604133 is a prime.

It is a super-2 number, since 2×6604165² = 87229990694450, which contains 22 as substring.

6604165 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17812 + ... + 18178.

It is an arithmetic number, because the mean of its divisors is an integer number (513360).

Almost surely, 2^6604165 is an apocalyptic number.

It is an amenable number.

6604165 is a deficient number, since it is larger than the sum of its proper divisors (1609595).

6604165 is a wasteful number, since it uses less digits than its factorization.

6604165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 6604165 is about 2569.8569999126. The cubic root of 6604165 is about 187.6171948815.

Subtracting from 6604165 its reverse (5614066), we obtain a palindrome (990099).

The spelling of 6604165 in words is "six million, six hundred four thousand, one hundred sixty-five".