266316 has 12 divisors (see below), whose sum is σ = 621432. Its totient is φ = 88768.

The previous prime is 266297. The next prime is 266333. The reversal of 266316 is 613662.

266316 = 168² + 169² + ... + 176².

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11085 + ... + 11108.

It is an arithmetic number, because the mean of its divisors is an integer number (51786).

2²⁶⁶³¹⁶ is an apocalyptic number.

It is an amenable number.

266316 is an abundant number, since it is smaller than the sum of its proper divisors (355116).

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

266316 is a wasteful number, since it uses less digits than its factorization.

266316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22200 (or 22198 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The square root of 266316 is about 516.0581362599. The cubic root of 266316 is about 64.3377328523.

Adding to 266316 its reverse (613662), we get a palindrome (879978).

The spelling of 266316 in words is "two hundred sixty-six thousand, three hundred sixteen".