66066000044 has 24 divisors (see below), whose sum is σ = 126137556048. Its totient is φ = 30027248640.

The previous prime is 66066000037. The next prime is 66066000047. The reversal of 66066000044 is 44000066066.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (66066000047) 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 7 ways as a sum of consecutive naturals, for example, 463124 + ... + 588740.

It is an arithmetic number, because the mean of its divisors is an integer number (5255731502).

Almost surely, 2^66066000044 is an apocalyptic number.

It is an amenable number.

66066000044 is a deficient number, since it is larger than the sum of its proper divisors (60071556004).

66066000044 is a wasteful number, since it uses less digits than its factorization.

66066000044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137585 (or 137583 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 66066000044 in words is "sixty-six billion, sixty-six million, forty-four", and thus it is an aban number and an eban number.