162666 has 24 divisors (see below), whose sum is σ = 403104. Its totient is φ = 46440.

The previous prime is 162649. The next prime is 162671. The reversal of 162666 is 666261.

It is a nude number because it is divisible by every one of its digits.

162666 is a modest number, since divided by 666 gives 162 as remainder.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 162666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 520 + ... + 771.

It is an arithmetic number, because the mean of its divisors is an integer number (16796).

2¹⁶²⁶⁶⁶ is an apocalyptic number.

162666 is an abundant number, since it is smaller than the sum of its proper divisors (240438).

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

162666 is a wasteful number, since it uses less digits than its factorization.

162666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306 (or 1303 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 162666 is about 403.3187325181. The cubic root of 162666 is about 54.5882194928.

It can be divided in two parts, 162 and 666, that added together give a palindrome (828).

The spelling of 162666 in words is "one hundred sixty-two thousand, six hundred sixty-six".