6664411 has 16 divisors (see below), whose sum is σ = 7741440. Its totient is φ = 5686560.

The previous prime is 6664387. The next prime is 6664417. The reversal of 6664411 is 1144666.

It is a cyclic number.

It is not a de Polignac number, because 6664411 - 2¹⁵ = 6631643 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 6664411.

It is not an unprimeable number, because it can be changed into a prime (6664417) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8910 + ... + 9628.

It is an arithmetic number, because the mean of its divisors is an integer number (483840).

Almost surely, 2^6664411 is an apocalyptic number.

6664411 is a deficient number, since it is larger than the sum of its proper divisors (1077029).

6664411 is a wasteful number, since it uses less digits than its factorization.

6664411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786.

The product of its digits is 3456, while the sum is 28.

The square root of 6664411 is about 2581.5520525451. The cubic root of 6664411 is about 188.1859767457.

The spelling of 6664411 in words is "six million, six hundred sixty-four thousand, four hundred eleven".