6641465 has 8 divisors (see below), whose sum is σ = 8033280. Its totient is φ = 5270832.

The previous prime is 6641449. The next prime is 6641473. The reversal of 6641465 is 5641466.

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

It is a cyclic number.

It is not a de Polignac number, because 6641465 - 2⁴ = 6641449 is a prime.

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, 4595 + ... + 5864.

It is an arithmetic number, because the mean of its divisors is an integer number (1004160).

Almost surely, 2^6641465 is an apocalyptic number.

It is an amenable number.

6641465 is a deficient number, since it is larger than the sum of its proper divisors (1391815).

6641465 is a wasteful number, since it uses less digits than its factorization.

6641465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10591.

The product of its digits is 17280, while the sum is 32.

The square root of 6641465 is about 2577.1039947973. The cubic root of 6641465 is about 187.9697495465.

Subtracting from 6641465 its reverse (5641466), we obtain a palindrome (999999).

The spelling of 6641465 in words is "six million, six hundred forty-one thousand, four hundred sixty-five".