5144582666 has 8 divisors (see below), whose sum is σ = 7905090564. Its totient is φ = 2509552480.

The previous prime is 5144582659. The next prime is 5144582683. The reversal of 5144582666 is 6662854415.

It can be written as a sum of positive squares in 2 ways, for example, as 3246150625 + 1898432041 = 56975^2 + 43571^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5144582666.

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, 31369325 + ... + 31369488.

Almost surely, 2^5144582666 is an apocalyptic number.

5144582666 is a deficient number, since it is larger than the sum of its proper divisors (2760507898).

5144582666 is a wasteful number, since it uses less digits than its factorization.

5144582666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62738856.

The product of its digits is 1382400, while the sum is 47.

The square root of 5144582666 is about 71725.7461864288. The cubic root of 5144582666 is about 1726.3017734835.

The spelling of 5144582666 in words is "five billion, one hundred forty-four million, five hundred eighty-two thousand, six hundred sixty-six".