266326 has 16 divisors (see below), whose sum is σ = 424080. Its totient is φ = 125280.

The previous prime is 266297. The next prime is 266333. The reversal of 266326 is 623662.

It is a self number, because there is not a number n which added to its sum of digits gives 266326.

It is a congruent number.

It is an unprimeable number.

266326 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4336 + ... + 4396.

It is an arithmetic number, because the mean of its divisors is an integer number (26505).

2²⁶⁶³²⁶ is an apocalyptic number.

266326 is a deficient number, since it is larger than the sum of its proper divisors (157754).

266326 is a wasteful number, since it uses less digits than its factorization.

266326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159.

The product of its digits is 2592, while the sum is 25.

The square root of 266326 is about 516.0678249998. The cubic root of 266326 is about 64.3385381228.

Adding to 266326 its reverse (623662), we get a palindrome (889988).

The spelling of 266326 in words is "two hundred sixty-six thousand, three hundred twenty-six".