2163136 has 28 divisors (see below), whose sum is σ = 4360672. Its totient is φ = 1064448.

The previous prime is 2163113. The next prime is 2163137. The reversal of 2163136 is 6313612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4441 + ... + 4903.

2^2163136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2163136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2180336).

2163136 is an abundant number, since it is smaller than the sum of its proper divisors (2197536).

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

2163136 is an equidigital number, since it uses as much as digits as its factorization.

2163136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 538 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

The square root of 2163136 is about 1470.7603475754. The cubic root of 2163136 is about 129.3286095510.

Adding to 2163136 its reverse (6313612), we get a palindrome (8476748).

The spelling of 2163136 in words is "two million, one hundred sixty-three thousand, one hundred thirty-six".