6660830769 has 4 divisors (see below), whose sum is σ = 8881107696. Its totient is φ = 4440553844.

The previous prime is 6660830747. The next prime is 6660830789. The reversal of 6660830769 is 9670380666.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6660830769 - 2¹⁹ = 6660306481 is a prime.

It is a super-2 number, since 2×6660830769² = 88733333066514262722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6660830789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110138459 + ... + 1110138464.

It is an arithmetic number, because the mean of its divisors is an integer number (2220276924).

Almost surely, 2^6660830769 is an apocalyptic number.

It is an amenable number.

6660830769 is a deficient number, since it is larger than the sum of its proper divisors (2220276927).

6660830769 is a wasteful number, since it uses less digits than its factorization.

6660830769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220276926.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The square root of 6660830769 is about 81613.9128396623. The cubic root of 6660830769 is about 1881.5227184399.

The spelling of 6660830769 in words is "six billion, six hundred sixty million, eight hundred thirty thousand, seven hundred sixty-nine".