216609880112 has 20 divisors (see below), whose sum is σ = 419691950496. Its totient is φ = 108302280000.

The previous prime is 216609880111. The next prime is 216609880127. The reversal of 216609880112 is 211088906612.

216609880112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (216609880111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617513 + ... + 902519.

Almost surely, 2^216609880112 is an apocalyptic number.

It is an amenable number.

216609880112 is a deficient number, since it is larger than the sum of its proper divisors (203082070384).

216609880112 is a wasteful number, since it uses less digits than its factorization.

216609880112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332516 (or 332510 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 44.

The spelling of 216609880112 in words is "two hundred sixteen billion, six hundred nine million, eight hundred eighty thousand, one hundred twelve".