66876067866 has 8 divisors (see below), whose sum is σ = 133752135744. Its totient is φ = 22292022620.

The previous prime is 66876067859. The next prime is 66876067883.

66876067866 is nontrivially palindromic in base 10.

66876067866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

66876067866 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 66876067797 and 66876067806.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5573005650 + ... + 5573005661.

It is an arithmetic number, because the mean of its divisors is an integer number (16719016968).

Almost surely, 2^66876067866 is an apocalyptic number.

66876067866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66876067866 is a wasteful number, since it uses less digits than its factorization.

66876067866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11146011316.

The product of its (nonzero) digits is 146313216, while the sum is 66.

The spelling of 66876067866 in words is "sixty-six billion, eight hundred seventy-six million, sixty-seven thousand, eight hundred sixty-six".