266552 has 32 divisors (see below), whose sum is σ = 589680. Its totient is φ = 111360.

The previous prime is 266549. The next prime is 266587. The reversal of 266552 is 255662.

266552 = T₁₃ + T₁₄ + ... + T₁₁₆.

It is a happy number.

266552 is nontrivially palindromic in base 14.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a plaindrome in base 9.

It is a nialpdrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 266552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028 + ... + 1260.

2²⁶⁶⁵⁵² is an apocalyptic number.

266552 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 266552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294840).

266552 is an abundant number, since it is smaller than the sum of its proper divisors (323128).

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

266552 is a wasteful number, since it uses less digits than its factorization.

266552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 259 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 266552 is about 516.2867420339. The cubic root of 266552 is about 64.3567318636.

It can be divided in two parts, 266 and 552, that added together give a palindrome (818).

The spelling of 266552 in words is "two hundred sixty-six thousand, five hundred fifty-two".