2158163 has 4 divisors (see below), whose sum is σ = 2466480. Its totient is φ = 1849848.

The previous prime is 2158157. The next prime is 2158171. The reversal of 2158163 is 3618512.

2158163 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.

It is not a de Polignac number, because 2158163 - 2⁴ = 2158147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2158103) 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, 154148 + ... + 154161.

It is an arithmetic number, because the mean of its divisors is an integer number (616620).

2^2158163 is an apocalyptic number.

2158163 is a deficient number, since it is larger than the sum of its proper divisors (308317).

2158163 is an equidigital number, since it uses as much as digits as its factorization.

2158163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308316.

The product of its digits is 1440, while the sum is 26.

The square root of 2158163 is about 1469.0687526457. The cubic root of 2158163 is about 129.2294256703.

The spelling of 2158163 in words is "two million, one hundred fifty-eight thousand, one hundred sixty-three".