2666336411 has 4 divisors (see below), whose sum is σ = 2667194400. Its totient is φ = 2665478424.

The previous prime is 2666336401. The next prime is 2666336417. The reversal of 2666336411 is 1146336662.

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

It is a cyclic number.

It is not a de Polignac number, because 2666336411 - 2¹⁰ = 2666335387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2666336417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424316 + ... + 430553.

It is an arithmetic number, because the mean of its divisors is an integer number (666798600).

Almost surely, 2^2666336411 is an apocalyptic number.

2666336411 is a deficient number, since it is larger than the sum of its proper divisors (857989).

2666336411 is an equidigital number, since it uses as much as digits as its factorization.

2666336411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857988.

The product of its digits is 93312, while the sum is 38.

The square root of 2666336411 is about 51636.5801636785. The cubic root of 2666336411 is about 1386.6652997154.

The spelling of 2666336411 in words is "two billion, six hundred sixty-six million, three hundred thirty-six thousand, four hundred eleven".