66828882866 has 8 divisors (see below), whose sum is σ = 100353848880. Its totient is φ = 33377599908.

The previous prime is 66828882797. The next prime is 66828882917.

66828882866 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×66828882866³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66828882796 and 66828882805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18418496 + ... + 18422123.

It is an arithmetic number, because the mean of its divisors is an integer number (12544231110).

Almost surely, 2^66828882866 is an apocalyptic number.

66828882866 is a deficient number, since it is larger than the sum of its proper divisors (33524966014).

66828882866 is a wasteful number, since it uses less digits than its factorization.

66828882866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36841528.

The product of its digits is 169869312, while the sum is 68.

The spelling of 66828882866 in words is "sixty-six billion, eight hundred twenty-eight million, eight hundred eighty-two thousand, eight hundred sixty-six".