268846418721 has 16 divisors (see below), whose sum is σ = 374090793984. Its totient is φ = 171418311504.

The previous prime is 268846418719. The next prime is 268846418741. The reversal of 268846418721 is 127814648862.

It is not a de Polignac number, because 268846418721 - 2¹ = 268846418719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268846418741) 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, 380820 + ... + 826266.

It is an arithmetic number, because the mean of its divisors is an integer number (23380674624).

Almost surely, 2^268846418721 is an apocalyptic number.

It is an amenable number.

268846418721 is a deficient number, since it is larger than the sum of its proper divisors (105244375263).

268846418721 is a wasteful number, since it uses less digits than its factorization.

268846418721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454220.

The product of its digits is 8257536, while the sum is 57.

The spelling of 268846418721 in words is "two hundred sixty-eight billion, eight hundred forty-six million, four hundred eighteen thousand, seven hundred twenty-one".