6605443205225 has 12 divisors (see below), whose sum is σ = 8289433306896. Its totient is φ = 5220687640080.

The previous prime is 6605443205189. The next prime is 6605443205239. The reversal of 6605443205225 is 5225023445066.

It is not a de Polignac number, because 6605443205225 - 2⁶ = 6605443205161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1591670987 + ... + 1591675136.

It is an arithmetic number, because the mean of its divisors is an integer number (690786108908).

Almost surely, 2^{6605443205225} is an apocalyptic number.

It is an amenable number.

6605443205225 is a deficient number, since it is larger than the sum of its proper divisors (1683990101671).

6605443205225 is a wasteful number, since it uses less digits than its factorization.

6605443205225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3183346216 (or 3183346211 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 44.

The spelling of 6605443205225 in words is "six trillion, six hundred five billion, four hundred forty-three million, two hundred five thousand, two hundred twenty-five".