216110117 has 8 divisors (see below), whose sum is σ = 224148600. Its totient is φ = 208110784.

The previous prime is 216110107. The next prime is 216110119. The reversal of 216110117 is 711011612.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 343396 + 215766721 = 586^2 + 14689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 216110117 - 2⁶ = 216110053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216110119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1703 + ... + 20859.

It is an arithmetic number, because the mean of its divisors is an integer number (28018575).

Almost surely, 2^216110117 is an apocalyptic number.

It is an amenable number.

216110117 is a deficient number, since it is larger than the sum of its proper divisors (8038483).

216110117 is a wasteful number, since it uses less digits than its factorization.

216110117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19575.

The product of its (nonzero) digits is 84, while the sum is 20.

The square root of 216110117 is about 14700.6842357762. The cubic root of 216110117 is about 600.1019428636.

Adding to 216110117 its reverse (711011612), we get a palindrome (927121729).

The spelling of 216110117 in words is "two hundred sixteen million, one hundred ten thousand, one hundred seventeen".