268211668311 has 16 divisors (see below), whose sum is σ = 402380377600. Its totient is φ = 176544387864.

The previous prime is 268211668273. The next prime is 268211668321. The reversal of 268211668311 is 113866112862.

268211668311 is a `hidden beast` number, since 2 + 68 + 211 + 6 + 68 + 311 = 666.

It is not a de Polignac number, because 268211668311 - 2⁶ = 268211668247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268211668321) 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, 62869801 + ... + 62874066.

It is an arithmetic number, because the mean of its divisors is an integer number (25148773600).

Almost surely, 2^268211668311 is an apocalyptic number.

268211668311 is a deficient number, since it is larger than the sum of its proper divisors (134168709289).

268211668311 is a wasteful number, since it uses less digits than its factorization.

268211668311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125743955 (or 125743949 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The spelling of 268211668311 in words is "two hundred sixty-eight billion, two hundred eleven million, six hundred sixty-eight thousand, three hundred eleven".