266339168368 has 240 divisors, whose sum is σ = 688914906624. Its totient is φ = 98525306880.

The previous prime is 266339168339. The next prime is 266339168371. The reversal of 266339168368 is 863861933662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27197553 + ... + 27207343.

Almost surely, 2^266339168368 is an apocalyptic number.

266339168368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266339168368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344457453312).

266339168368 is an abundant number, since it is smaller than the sum of its proper divisors (422575738256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266339168368 is a wasteful number, since it uses less digits than its factorization.

266339168368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000 (or 9987 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 61.

The spelling of 266339168368 in words is "two hundred sixty-six billion, three hundred thirty-nine million, one hundred sixty-eight thousand, three hundred sixty-eight".