216600883216 has 15 divisors (see below), whose sum is σ = 419667818143. Its totient is φ = 108299510800.

The previous prime is 216600883183. The next prime is 216600883237. The reversal of 216600883216 is 612388006612.

The square root of 216600883216 is 465404.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1803441 + ... + 1919791.

Almost surely, 2^216600883216 is an apocalyptic number.

216600883216 is the 465404-th square number.

It is an amenable number.

216600883216 is a deficient number, since it is larger than the sum of its proper divisors (203066934927).

216600883216 is an frugal number, since it uses more digits than its factorization.

216600883216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232710 (or 116353 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

Adding to 216600883216 its reverse (612388006612), we get a palindrome (828988889828).

The spelling of 216600883216 in words is "two hundred sixteen billion, six hundred million, eight hundred eighty-three thousand, two hundred sixteen".