266546 has 16 divisors (see below), whose sum is σ = 464640. Its totient is φ = 112320.

The previous prime is 266521. The next prime is 266549. The reversal of 266546 is 645662.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 266546.

It is not an unprimeable number, because it can be changed into a prime (266549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 986 + ... + 1226.

It is an arithmetic number, because the mean of its divisors is an integer number (29040).

2²⁶⁶⁵⁴⁶ is an apocalyptic number.

266546 is a deficient number, since it is larger than the sum of its proper divisors (198094).

266546 is a wasteful number, since it uses less digits than its factorization.

266546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329.

The product of its digits is 8640, while the sum is 29.

The square root of 266546 is about 516.2809312768. The cubic root of 266546 is about 64.3562489768.

The spelling of 266546 in words is "two hundred sixty-six thousand, five hundred forty-six".