2768321817166 has 16 divisors (see below), whose sum is σ = 4158854156160. Its totient is φ = 1382038443000.

The previous prime is 2768321817143. The next prime is 2768321817223. The reversal of 2768321817166 is 6617181238672.

It is a self number, because there is not a number n which added to its sum of digits gives 2768321817166.

It is a congruent number.

It is an unprimeable number.

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, 3802785 + ... + 4471891.

It is an arithmetic number, because the mean of its divisors is an integer number (259928384760).

Almost surely, 2^{2768321817166} is an apocalyptic number.

2768321817166 is a deficient number, since it is larger than the sum of its proper divisors (1390532338994).

2768321817166 is a wasteful number, since it uses less digits than its factorization.

2768321817166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672279.

The product of its digits is 8128512, while the sum is 58.

The spelling of 2768321817166 in words is "two trillion, seven hundred sixty-eight billion, three hundred twenty-one million, eight hundred seventeen thousand, one hundred sixty-six".