190163 has 4 divisors (see below), whose sum is σ = 191040. Its totient is φ = 189288.
The previous prime is 190159. The next prime is 190181. The reversal of 190163 is 361091.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 190163 - 22 = 190159 is a prime.
It is a Duffinian number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 190163.
It is not an unprimeable number, because it can be changed into a prime (190063) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158 + ... + 636.
It is an arithmetic number, because the mean of its divisors is an integer number (47760).
2190163 is an apocalyptic number.
190163 is a deficient number, since it is larger than the sum of its proper divisors (877).
190163 is an equidigital number, since it uses as much as digits as its factorization.
190163 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 876.
The product of its (nonzero) digits is 162, while the sum is 20.
The square root of 190163 is about 436.0768280934. The cubic root of 190163 is about 57.5054059190.
It can be divided in two parts, 190 and 163, that added together give a palindrome (353).
The spelling of 190163 in words is "one hundred ninety thousand, one hundred sixty-three".
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