6671585 has 8 divisors (see below), whose sum is σ = 8028456. Its totient is φ = 5322240.

The previous prime is 6671573. The next prime is 6671591. The reversal of 6671585 is 5851766.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1760929 + 4910656 = 1327^2 + 2216^2 .

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

It is not a de Polignac number, because 6671585 - 2⁴ = 6671569 is a prime.

It is an Ulam number.

It is a Duffinian 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, 305 + ... + 3665.

It is an arithmetic number, because the mean of its divisors is an integer number (1003557).

Almost surely, 2^6671585 is an apocalyptic number.

It is an amenable number.

6671585 is a deficient number, since it is larger than the sum of its proper divisors (1356871).

6671585 is a wasteful number, since it uses less digits than its factorization.

6671585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3763.

The product of its digits is 50400, while the sum is 38.

The square root of 6671585 is about 2582.9411530269. The cubic root of 6671585 is about 188.2534776877.

The spelling of 6671585 in words is "six million, six hundred seventy-one thousand, five hundred eighty-five".