216541114 has 4 divisors (see below), whose sum is σ = 324811674. Its totient is φ = 108270556.

The previous prime is 216541111. The next prime is 216541139. The reversal of 216541114 is 411145612.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 215590489 + 950625 = 14683^2 + 975^2 .

It is not an unprimeable number, because it can be changed into a prime (216541111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54135277 + ... + 54135280.

Almost surely, 2^216541114 is an apocalyptic number.

216541114 is a deficient number, since it is larger than the sum of its proper divisors (108270560).

216541114 is a wasteful number, since it uses less digits than its factorization.

216541114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108270559.

The product of its digits is 960, while the sum is 25.

The square root of 216541114 is about 14715.3360138326. The cubic root of 216541114 is about 600.5006136752.

Adding to 216541114 its reverse (411145612), we get a palindrome (627686726).

The spelling of 216541114 in words is "two hundred sixteen million, five hundred forty-one thousand, one hundred fourteen".