866028680206 has 16 divisors (see below), whose sum is σ = 1303271584128. Its totient is φ = 431606964600.

The previous prime is 866028680201. The next prime is 866028680227. The reversal of 866028680206 is 602086820668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866028680201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272401 + ... + 1343971.

It is an arithmetic number, because the mean of its divisors is an integer number (81454474008).

Almost surely, 2^866028680206 is an apocalyptic number.

866028680206 is a deficient number, since it is larger than the sum of its proper divisors (437242903922).

866028680206 is a wasteful number, since it uses less digits than its factorization.

866028680206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072887.

The product of its (nonzero) digits is 2654208, while the sum is 52.

The spelling of 866028680206 in words is "eight hundred sixty-six billion, twenty-eight million, six hundred eighty thousand, two hundred six".