268561244171 has 16 divisors (see below), whose sum is σ = 303542808576. Its totient is φ = 235398960000.

The previous prime is 268561244143. The next prime is 268561244173. The reversal of 268561244171 is 171442165862.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268561244171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268561244173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1360670 + ... + 1545491.

It is an arithmetic number, because the mean of its divisors is an integer number (18971425536).

Almost surely, 2^268561244171 is an apocalyptic number.

268561244171 is a deficient number, since it is larger than the sum of its proper divisors (34981564405).

268561244171 is a wasteful number, since it uses less digits than its factorization.

268561244171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906474.

The product of its digits is 645120, while the sum is 47.

The spelling of 268561244171 in words is "two hundred sixty-eight billion, five hundred sixty-one million, two hundred forty-four thousand, one hundred seventy-one".