6666488259 has 16 divisors (see below), whose sum is σ = 8955916800. Its totient is φ = 4410806400.

The previous prime is 6666488237. The next prime is 6666488267. The reversal of 6666488259 is 9528846666.

6666488259 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6666488259 - 2¹⁵ = 6666455491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6666488159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225474 + ... + 253320.

It is an arithmetic number, because the mean of its divisors is an integer number (559744800).

Almost surely, 2^6666488259 is an apocalyptic number.

6666488259 is a deficient number, since it is larger than the sum of its proper divisors (2289428541).

6666488259 is a wasteful number, since it uses less digits than its factorization.

6666488259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28450.

The product of its digits is 29859840, while the sum is 60.

The square root of 6666488259 is about 81648.5655660894. The cubic root of 6666488259 is about 1882.0552688081.

The spelling of 6666488259 in words is "six billion, six hundred sixty-six million, four hundred eighty-eight thousand, two hundred fifty-nine".