266056 has 16 divisors (see below), whose sum is σ = 570240. Its totient is φ = 114000.

The previous prime is 266053. The next prime is 266059. The reversal of 266056 is 650662.

It is an interprime number because it is at equal distance from previous prime (266053) and next prime (266059).

It is a self number, because there is not a number n which added to its sum of digits gives 266056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2320 + ... + 2431.

It is an arithmetic number, because the mean of its divisors is an integer number (35640).

2²⁶⁶⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

266056 is an abundant number, since it is smaller than the sum of its proper divisors (304184).

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

266056 is a wasteful number, since it uses less digits than its factorization.

266056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4764 (or 4760 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 266056 is about 515.8061651435. The cubic root of 266056 is about 64.3167887393.

The spelling of 266056 in words is "two hundred sixty-six thousand, fifty-six".