216544112 has 10 divisors (see below), whose sum is σ = 419554248. Its totient is φ = 108272048.

The previous prime is 216544109. The next prime is 216544129. The reversal of 216544112 is 211445612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6766988 + ... + 6767019.

Almost surely, 2^216544112 is an apocalyptic number.

It is an amenable number.

216544112 is a deficient number, since it is larger than the sum of its proper divisors (203010136).

216544112 is a wasteful number, since it uses less digits than its factorization.

216544112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13534015 (or 13534009 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 216544112 is about 14715.4378799953. The cubic root of 216544112 is about 600.5033849619.

Adding to 216544112 its reverse (211445612), we get a palindrome (427989724).

The spelling of 216544112 in words is "two hundred sixteen million, five hundred forty-four thousand, one hundred twelve".