166828 has 12 divisors (see below), whose sum is σ = 294840. Its totient is φ = 82592.

The previous prime is 166823. The next prime is 166841. The reversal of 166828 is 828661.

166828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 166828.

It is not an unprimeable number, because it can be changed into a prime (166823) by changing a digit.

166828 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, 600 + ... + 832.

It is an arithmetic number, because the mean of its divisors is an integer number (24570).

2¹⁶⁶⁸²⁸ is an apocalyptic number.

It is an amenable number.

166828 is a deficient number, since it is larger than the sum of its proper divisors (128012).

166828 is a wasteful number, since it uses less digits than its factorization.

166828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 414 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 166828 is about 408.4458348423. The cubic root of 166828 is about 55.0498721194.

The spelling of 166828 in words is "one hundred sixty-six thousand, eight hundred twenty-eight".