12668065066 has 32 divisors (see below), whose sum is σ = 20678941440. Its totient is φ = 5798048256.

The previous prime is 12668065061. The next prime is 12668065127. The reversal of 12668065066 is 66056086621.

12668065066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12668065061) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 144766 + ... + 215158.

It is an arithmetic number, because the mean of its divisors is an integer number (646216920).

Almost surely, 2^12668065066 is an apocalyptic number.

12668065066 is a deficient number, since it is larger than the sum of its proper divisors (8010876374).

12668065066 is a wasteful number, since it uses less digits than its factorization.

12668065066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70558.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 12668065066 in words is "twelve billion, six hundred sixty-eight million, sixty-five thousand, sixty-six".