67666066676 has 96 divisors (see below), whose sum is σ = 134247456000. Its totient is φ = 29626426368.

The previous prime is 67666066669. The next prime is 67666066717.

It is a happy number.

67666066676 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22411895 + ... + 22414913.

It is an arithmetic number, because the mean of its divisors is an integer number (1398411000).

Almost surely, 2^67666066676 is an apocalyptic number.

It is an amenable number.

67666066676 is a deficient number, since it is larger than the sum of its proper divisors (66581389324).

67666066676 is a wasteful number, since it uses less digits than its factorization.

67666066676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321 (or 3319 counting only the distinct ones).

The product of its (nonzero) digits is 82301184, while the sum is 62.

The spelling of 67666066676 in words is "sixty-seven billion, six hundred sixty-six million, sixty-six thousand, six hundred seventy-six".