266158 has 8 divisors (see below), whose sum is σ = 404928. Its totient is φ = 131184.

The previous prime is 266153. The next prime is 266159. The reversal of 266158 is 851662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766 + ... + 1057.

It is an arithmetic number, because the mean of its divisors is an integer number (50616).

2²⁶⁶¹⁵⁸ is an apocalyptic number.

266158 is a deficient number, since it is larger than the sum of its proper divisors (138770).

266158 is a wasteful number, since it uses less digits than its factorization.

266158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898.

The product of its digits is 2880, while the sum is 28.

The square root of 266158 is about 515.9050300201. The cubic root of 266158 is about 64.3250069017.

It can be divided in two parts, 266 and 158, that added together give a palindrome (424).

The spelling of 266158 in words is "two hundred sixty-six thousand, one hundred fifty-eight".