66882428866 has 48 divisors (see below), whose sum is σ = 111994384320. Its totient is φ = 29929988000.

The previous prime is 66882428863. The next prime is 66882428887.

66882428866 is nontrivially palindromic in base 10.

66882428866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 66882428798 and 66882428807.

It is not an unprimeable number, because it can be changed into a prime (66882428863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4367475 + ... + 4382761.

It is an arithmetic number, because the mean of its divisors is an integer number (2333216340).

Almost surely, 2^66882428866 is an apocalyptic number.

66882428866 is a deficient number, since it is larger than the sum of its proper divisors (45111955454).

66882428866 is a wasteful number, since it uses less digits than its factorization.

66882428866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15591 (or 15580 counting only the distinct ones).

The product of its digits is 84934656, while the sum is 64.

The spelling of 66882428866 in words is "sixty-six billion, eight hundred eighty-two million, four hundred twenty-eight thousand, eight hundred sixty-six".