6666330733 has 4 divisors (see below), whose sum is σ = 6683468220. Its totient is φ = 6649193248.

The previous prime is 6666330703. The next prime is 6666330779. The reversal of 6666330733 is 3370336666.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4844577609 + 1821753124 = 69603^2 + 42682^2 .

It is a cyclic number.

It is not a de Polignac number, because 6666330733 - 2⁹ = 6666330221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6666330733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6666330703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8568160 + ... + 8568937.

It is an arithmetic number, because the mean of its divisors is an integer number (1670867055).

Almost surely, 2^6666330733 is an apocalyptic number.

It is an amenable number.

6666330733 is a deficient number, since it is larger than the sum of its proper divisors (17137487).

6666330733 is a wasteful number, since it uses less digits than its factorization.

6666330733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17137486.

The product of its (nonzero) digits is 734832, while the sum is 43.

The square root of 6666330733 is about 81647.6009016799. The cubic root of 6666330733 is about 1882.0404446627.

The spelling of 6666330733 in words is "six billion, six hundred sixty-six million, three hundred thirty thousand, seven hundred thirty-three".