266225832768 has 224 divisors, whose sum is σ = 864051819264. Its totient is φ = 70609010688.

The previous prime is 266225832709. The next prime is 266225832811. The reversal of 266225832768 is 867238522662.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1588096 + ... + 1747712.

Almost surely, 2^266225832768 is an apocalyptic number.

266225832768 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 266225832768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432025909632).

266225832768 is an abundant number, since it is smaller than the sum of its proper divisors (597825986496).

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

266225832768 is a wasteful number, since it uses less digits than its factorization.

266225832768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159729 (or 159719 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 57.

The spelling of 266225832768 in words is "two hundred sixty-six billion, two hundred twenty-five million, eight hundred thirty-two thousand, seven hundred sixty-eight".