2164163 has 4 divisors (see below), whose sum is σ = 2169000. Its totient is φ = 2159328.

The previous prime is 2164121. The next prime is 2164171. The reversal of 2164163 is 3614612.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2164163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2164193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1670 + ... + 2667.

It is an arithmetic number, because the mean of its divisors is an integer number (542250).

2^2164163 is an apocalyptic number.

2164163 is a deficient number, since it is larger than the sum of its proper divisors (4837).

2164163 is an equidigital number, since it uses as much as digits as its factorization.

2164163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836.

The product of its digits is 864, while the sum is 23.

The square root of 2164163 is about 1471.1094452827. The cubic root of 2164163 is about 129.3490735853.

Adding to 2164163 its reverse (3614612), we get a palindrome (5778775).

The spelling of 2164163 in words is "two million, one hundred sixty-four thousand, one hundred sixty-three".