268800566305 has 16 divisors (see below), whose sum is σ = 334035990720. Its totient is φ = 207405913792.

The previous prime is 268800566257. The next prime is 268800566311. The reversal of 268800566305 is 503665008862.

It is a cyclic number.

It is not a de Polignac number, because 268800566305 - 2¹¹ = 268800564257 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841459 + ... + 1116088.

It is an arithmetic number, because the mean of its divisors is an integer number (20877249420).

Almost surely, 2^268800566305 is an apocalyptic number.

It is an amenable number.

268800566305 is a deficient number, since it is larger than the sum of its proper divisors (65235424415).

268800566305 is a wasteful number, since it uses less digits than its factorization.

268800566305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958528.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 268800566305 in words is "two hundred sixty-eight billion, eight hundred million, five hundred sixty-six thousand, three hundred five".