216616341 has 16 divisors (see below), whose sum is σ = 302572800. Its totient is φ = 137661888.

The previous prime is 216616333. The next prime is 216616391. The reversal of 216616341 is 143616612.

It is not a de Polignac number, because 216616341 - 2³ = 216616333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216616299 and 216616308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216616391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8886 + ... + 22631.

It is an arithmetic number, because the mean of its divisors is an integer number (18910800).

Almost surely, 2^216616341 is an apocalyptic number.

It is an amenable number.

216616341 is a deficient number, since it is larger than the sum of its proper divisors (85956459).

216616341 is a wasteful number, since it uses less digits than its factorization.

216616341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31628.

The product of its digits is 5184, while the sum is 30.

The square root of 216616341 is about 14717.8918667043. The cubic root of 216616341 is about 600.5701441656.

The spelling of 216616341 in words is "two hundred sixteen million, six hundred sixteen thousand, three hundred forty-one".