264166 has 8 divisors (see below), whose sum is σ = 452880. Its totient is φ = 113208.

The previous prime is 264139. The next prime is 264167. The reversal of 264166 is 661462.

264166 = T₁₄₈ + T₁₄₉ + ... + T₁₆₈.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 264166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264167) 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, 9421 + ... + 9448.

It is an arithmetic number, because the mean of its divisors is an integer number (56610).

2²⁶⁴¹⁶⁶ is an apocalyptic number.

264166 is a deficient number, since it is larger than the sum of its proper divisors (188714).

264166 is a wasteful number, since it uses less digits than its factorization.

264166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18878.

The product of its digits is 1728, while the sum is 25.

The square root of 264166 is about 513.9708162921. The cubic root of 264166 is about 64.1641295074.

The spelling of 264166 in words is "two hundred sixty-four thousand, one hundred sixty-six".