268166 has 8 divisors (see below), whose sum is σ = 423480. Its totient is φ = 127008.

The previous prime is 268153. The next prime is 268171. The reversal of 268166 is 661862.

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

It is a congruent number.

It is an unprimeable number.

268166 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 3 ways as a sum of consecutive naturals, for example, 3491 + ... + 3566.

It is an arithmetic number, because the mean of its divisors is an integer number (52935).

2²⁶⁸¹⁶⁶ is an apocalyptic number.

268166 is a deficient number, since it is larger than the sum of its proper divisors (155314).

268166 is a wasteful number, since it uses less digits than its factorization.

268166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7078.

The product of its digits is 3456, while the sum is 29.

The square root of 268166 is about 517.8474678899. The cubic root of 268166 is about 64.4863661266.

It can be divided in two parts, 268 and 166, that added together give a palindrome (434).

The spelling of 268166 in words is "two hundred sixty-eight thousand, one hundred sixty-six".