6670165 has 8 divisors (see below), whose sum is σ = 8019288. Its totient is φ = 5326080.

The previous prime is 6670109. The next prime is 6670187. The reversal of 6670165 is 5610766.

It can be written as a sum of positive squares in 4 ways, for example, as 799236 + 5870929 = 894^2 + 2423^2 .

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

It is not a de Polignac number, because 6670165 - 2⁹ = 6669653 is a prime.

It is a super-2 number, since 2×6670165² = 88982202254450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2929 + ... + 4681.

It is an arithmetic number, because the mean of its divisors is an integer number (1002411).

Almost surely, 2^6670165 is an apocalyptic number.

It is an amenable number.

6670165 is a deficient number, since it is larger than the sum of its proper divisors (1349123).

6670165 is a wasteful number, since it uses less digits than its factorization.

6670165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 6670165 is about 2582.6662579590. Note that the first 3 decimals coincide. The cubic root of 6670165 is about 188.2401205966.

It can be divided in two parts, 66701 and 65, that added together give a palindrome (66766).

The spelling of 6670165 in words is "six million, six hundred seventy thousand, one hundred sixty-five".