91266 has 32 divisors (see below), whose sum is σ = 217728. Its totient is φ = 24960.

The previous prime is 91253. The next prime is 91283. The reversal of 91266 is 66219.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1696 + ... + 1748.

It is an arithmetic number, because the mean of its divisors is an integer number (6804).

2⁹¹²⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108864).

91266 is an abundant number, since it is smaller than the sum of its proper divisors (126462).

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

91266 is a wasteful number, since it uses less digits than its factorization.

91266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106.

The product of its digits is 648, while the sum is 24.

The square root of 91266 is about 302.1026315675. The cubic root of 91266 is about 45.0231979157.

It can be divided in two parts, 9126 and 6, that multiplied together give a square (54756 = 234²).

The spelling of 91266 in words is "ninety-one thousand, two hundred sixty-six".