866038830668 has 36 divisors (see below), whose sum is σ = 1666322658336. Its totient is φ = 393547572000.

The previous prime is 866038830647. The next prime is 866038830673.

866038830668 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 866038830668.

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 11 ways as a sum of consecutive naturals, for example, 1563818 + ... + 2043918.

Almost surely, 2^866038830668 is an apocalyptic number.

It is an amenable number.

866038830668 is a deficient number, since it is larger than the sum of its proper divisors (800283827668).

866038830668 is a wasteful number, since it uses less digits than its factorization.

866038830668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483854 (or 483841 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 62.

The spelling of 866038830668 in words is "eight hundred sixty-six billion, thirty-eight million, eight hundred thirty thousand, six hundred sixty-eight".