166826 has 8 divisors (see below), whose sum is σ = 273024. Its totient is φ = 75820.

The previous prime is 166823. The next prime is 166841. The reversal of 166826 is 628661.

166826 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 166826.

It is not an unprimeable number, because it can be changed into a prime (166823) 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, 3770 + ... + 3813.

It is an arithmetic number, because the mean of its divisors is an integer number (34128).

2¹⁶⁶⁸²⁶ is an apocalyptic number.

166826 is a deficient number, since it is larger than the sum of its proper divisors (106198).

166826 is a wasteful number, since it uses less digits than its factorization.

166826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7596.

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

The square root of 166826 is about 408.4433865299. The cubic root of 166826 is about 55.0496521320.

The spelling of 166826 in words is "one hundred sixty-six thousand, eight hundred twenty-six".