6605922089 has 16 divisors (see below), whose sum is σ = 7158911760. Its totient is φ = 6059458560.

The previous prime is 6605922061. The next prime is 6605922139. The reversal of 6605922089 is 9802295066.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 628003600 + 5977918489 = 25060^2 + 77317^2 .

It is a cyclic number.

It is not a de Polignac number, because 6605922089 - 2²⁴ = 6589144873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6605922019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1538057 + ... + 1542345.

It is an arithmetic number, because the mean of its divisors is an integer number (447431985).

Almost surely, 2^6605922089 is an apocalyptic number.

It is an amenable number.

6605922089 is a deficient number, since it is larger than the sum of its proper divisors (552989671).

6605922089 is a wasteful number, since it uses less digits than its factorization.

6605922089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 6605922089 is about 81276.8238122037. The cubic root of 6605922089 is about 1876.3383240630.

The spelling of 6605922089 in words is "six billion, six hundred five million, nine hundred twenty-two thousand, eighty-nine".