266058 has 32 divisors (see below), whose sum is σ = 638400. Its totient is φ = 81648.

The previous prime is 266053. The next prime is 266059. The reversal of 266058 is 850662.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 266058.

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

266058 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 15 ways as a sum of consecutive naturals, for example, 513 + ... + 891.

It is an arithmetic number, because the mean of its divisors is an integer number (19950).

2²⁶⁶⁰⁵⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319200).

266058 is an abundant number, since it is smaller than the sum of its proper divisors (372342).

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

266058 is a wasteful number, since it uses less digits than its factorization.

266058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 266058 is about 515.8081038526. The cubic root of 266058 is about 64.3169498999.

Adding to 266058 its sum of digits (27), we get a triangular number (266085 = T₇₂₉).

It can be divided in two parts, 26 and 6058, that added together give a square (6084 = 78²).

The spelling of 266058 in words is "two hundred sixty-six thousand, fifty-eight".