210116 has 6 divisors (see below), whose sum is σ = 367710. Its totient is φ = 105056.

The previous prime is 210113. The next prime is 210127. The reversal of 210116 is 611012.

It can be written as a sum of positive squares in only one way, i.e., 122500 + 87616 = 350^2 + 296^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210097 and 210106.

It is not an unprimeable number, because it can be changed into a prime (210113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26261 + ... + 26268.

It is an arithmetic number, because the mean of its divisors is an integer number (61285).

2²¹⁰¹¹⁶ is an apocalyptic number.

It is an amenable number.

210116 is a deficient number, since it is larger than the sum of its proper divisors (157594).

210116 is a wasteful number, since it uses less digits than its factorization.

210116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52533 (or 52531 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 210116 is about 458.3841183985. The cubic root of 210116 is about 59.4501618773.

Adding to 210116 its reverse (611012), we get a palindrome (821128).

The spelling of 210116 in words is "two hundred ten thousand, one hundred sixteen".