6606065 has 4 divisors (see below), whose sum is σ = 7927284. Its totient is φ = 5284848.

The previous prime is 6606031. The next prime is 6606077. The reversal of 6606065 is 5606066.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3876961 + 2729104 = 1969^2 + 1652^2 .

It is a cyclic number.

It is not a de Polignac number, because 6606065 - 2¹⁰ = 6605041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660602 + ... + 660611.

It is an arithmetic number, because the mean of its divisors is an integer number (1981821).

Almost surely, 2^6606065 is an apocalyptic number.

It is an amenable number.

6606065 is a deficient number, since it is larger than the sum of its proper divisors (1321219).

6606065 is a wasteful number, since it uses less digits than its factorization.

6606065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321218.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 6606065 is about 2570.2266437028. The cubic root of 6606065 is about 187.6351854723.

Subtracting from 6606065 its reverse (5606066), we obtain a palindrome (999999).

The spelling of 6606065 in words is "six million, six hundred six thousand, sixty-five".