2266664663 has 4 divisors (see below), whose sum is σ = 2266784208. Its totient is φ = 2266545120.

The previous prime is 2266664639. The next prime is 2266664683. The reversal of 2266664663 is 3664666622.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2266664663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266664683) 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, 24323 + ... + 71588.

It is an arithmetic number, because the mean of its divisors is an integer number (566696052).

Almost surely, 2^2266664663 is an apocalyptic number.

2266664663 is a deficient number, since it is larger than the sum of its proper divisors (119545).

2266664663 is an equidigital number, since it uses as much as digits as its factorization.

2266664663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119544.

The product of its digits is 2239488, while the sum is 47.

The square root of 2266664663 is about 47609.5018142387. The cubic root of 2266664663 is about 1313.5978371134.

The spelling of 2266664663 in words is "two billion, two hundred sixty-six million, six hundred sixty-four thousand, six hundred sixty-three".