66000000044 has 12 divisors (see below), whose sum is σ = 126000000168. Its totient is φ = 30000000000.

The previous prime is 66000000041. The next prime is 66000000049. The reversal of 66000000044 is 44000000066.

66000000044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 65999999962 and 66000000025.

It is not an unprimeable number, because it can be changed into a prime (66000000041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749999957 + ... + 750000044.

It is an arithmetic number, because the mean of its divisors is an integer number (10500000014).

Almost surely, 2^66000000044 is an apocalyptic number.

It is an amenable number.

66000000044 is a deficient number, since it is larger than the sum of its proper divisors (60000000124).

66000000044 is a wasteful number, since it uses less digits than its factorization.

66000000044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500000016 (or 1500000014 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The spelling of 66000000044 in words is "sixty-six billion, forty-four", and thus it is an aban number and an eban number.