26158 has 16 divisors (see below), whose sum is σ = 45360. Its totient is φ = 11200.

The previous prime is 26153. The next prime is 26161. The reversal of 26158 is 85162.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

It is a nialpdrome in base 13 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26153) 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, 618 + ... + 658.

It is an arithmetic number, because the mean of its divisors is an integer number (2835).

2²⁶¹⁵⁸ is an apocalyptic number.

26158 is a deficient number, since it is larger than the sum of its proper divisors (19202).

26158 is a wasteful number, since it uses less digits than its factorization.

26158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83.

The product of its digits is 480, while the sum is 22.

The square root of 26158 is about 161.7343500930. The cubic root of 26158 is about 29.6848490708.

The spelling of 26158 in words is "twenty-six thousand, one hundred fifty-eight".