2143164 has 12 divisors (see below), whose sum is σ = 5000744. Its totient is φ = 714384.

The previous prime is 2143157. The next prime is 2143177. The reversal of 2143164 is 4613412.

2143164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2143164.

It is a congruent number.

It is an unprimeable number.

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, 89287 + ... + 89310.

2^2143164 is an apocalyptic number.

It is an amenable number.

2143164 is an abundant number, since it is smaller than the sum of its proper divisors (2857580).

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

2143164 is a wasteful number, since it uses less digits than its factorization.

2143164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178604 (or 178602 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 2143164 is about 1463.9549173386. The cubic root of 2143164 is about 128.9293525792.

Adding to 2143164 its reverse (4613412), we get a palindrome (6756576).

The spelling of 2143164 in words is "two million, one hundred forty-three thousand, one hundred sixty-four".