6656165 has 8 divisors (see below), whose sum is σ = 8245248. Its totient is φ = 5153040.

The previous prime is 6656123. The next prime is 6656171. The reversal of 6656165 is 5616566.

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

It is not a de Polignac number, because 6656165 - 2⁶ = 6656101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21317 + ... + 21626.

It is an arithmetic number, because the mean of its divisors is an integer number (1030656).

Almost surely, 2^6656165 is an apocalyptic number.

It is an amenable number.

6656165 is a deficient number, since it is larger than the sum of its proper divisors (1589083).

6656165 is a wasteful number, since it uses less digits than its factorization.

6656165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42979.

The product of its digits is 32400, while the sum is 35.

The square root of 6656165 is about 2579.9544569624. The cubic root of 6656165 is about 188.1083293727.

The spelling of 6656165 in words is "six million, six hundred fifty-six thousand, one hundred sixty-five".