2180116 has 6 divisors (see below), whose sum is σ = 3815210. Its totient is φ = 1090056.

The previous prime is 2180111. The next prime is 2180119. The reversal of 2180116 is 6110812.

2180116 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1188100 + 992016 = 1090^2 + 996^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2180093 and 2180102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2180111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272511 + ... + 272518.

2^2180116 is an apocalyptic number.

It is an amenable number.

2180116 is a deficient number, since it is larger than the sum of its proper divisors (1635094).

2180116 is a wasteful number, since it uses less digits than its factorization.

2180116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545033 (or 545031 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 2180116 is about 1476.5215880576. The cubic root of 2180116 is about 129.6661255043. Note that the first 3 decimals are identical.

Adding to 2180116 its reverse (6110812), we get a palindrome (8290928).

The spelling of 2180116 in words is "two million, one hundred eighty thousand, one hundred sixteen".