166098 has 32 divisors (see below), whose sum is σ = 368640. Its totient is φ = 49680.

The previous prime is 166081. The next prime is 166099. The reversal of 166098 is 890661.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 166098.

It is not an unprimeable number, because it can be changed into a prime (166099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3511 + ... + 3557.

It is an arithmetic number, because the mean of its divisors is an integer number (11520).

2¹⁶⁶⁰⁹⁸ is an apocalyptic number.

166098 is an abundant number, since it is smaller than the sum of its proper divisors (202542).

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

166098 is a wasteful number, since it uses less digits than its factorization.

166098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 166098 is about 407.5512237744. The cubic root of 166098 is about 54.9694596287.

The spelling of 166098 in words is "one hundred sixty-six thousand, ninety-eight".