163106 has 4 divisors (see below), whose sum is σ = 244662. Its totient is φ = 81552.
The previous prime is 163063. The next prime is 163109. The reversal of 163106 is 601361.
163106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 601361 = 37 ⋅16253.
It can be written as a sum of positive squares in only one way, i.e., 128881 + 34225 = 359^2 + 185^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (163109) by changing a digit.
163106 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 as a sum of consecutive naturals, namely, 40775 + ... + 40778.
2163106 is an apocalyptic number.
163106 is a deficient number, since it is larger than the sum of its proper divisors (81556).
163106 is an equidigital number, since it uses as much as digits as its factorization.
163106 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81555.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 163106 is about 403.8638384406. The cubic root of 163106 is about 54.6373942695.
Adding to 163106 its reverse (601361), we get a palindrome (764467).
The spelling of 163106 in words is "one hundred sixty-three thousand, one hundred six".
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