163206 has 12 divisors (see below), whose sum is σ = 353652. Its totient is φ = 54396.

The previous prime is 163199. The next prime is 163211. The reversal of 163206 is 602361.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 9067 = 163206 / (1 + 6 + 3 + 2 + 0 + 6).

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

163206 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 5 ways as a sum of consecutive naturals, for example, 4516 + ... + 4551.

It is an arithmetic number, because the mean of its divisors is an integer number (29471).

2¹⁶³²⁰⁶ is an apocalyptic number.

163206 is an abundant number, since it is smaller than the sum of its proper divisors (190446).

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

163206 is a wasteful number, since it uses less digits than its factorization.

163206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9075 (or 9072 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 163206 is about 403.9876235728. The cubic root of 163206 is about 54.6485580182.

Adding to 163206 its reverse (602361), we get a palindrome (765567).

The spelling of 163206 in words is "one hundred sixty-three thousand, two hundred six".