It is a happy number.
266112 is a `hidden beast` number, since 2 + 661 + 1 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (128).
It is an Ulam number.
It is a congruent number.
2266112 is an apocalyptic number.
266112 is a gapful number since it is divisible by the number (22) 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 266112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
266112 is a wasteful number, since it uses less digits than its factorization.
266112 is an evil number, because the sum of its binary digits is even.
The square root of 266112 is about 515.8604462449. The cubic root of 266112 is about 64.3213009316.
Adding to 266112 its product of digits (144), we get a square (266256 = 5162).
Adding to 266112 its reverse (211662), we get a palindrome (477774).
The spelling of 266112 in words is "two hundred sixty-six thousand, one hundred twelve".