216056726120216 has 32 divisors (see below), whose sum is σ = 409053462355200. Its totient is φ = 106975874772000.

The previous prime is 216056726120167. The next prime is 216056726120219. The reversal of 216056726120216 is 612021627650612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216056726120219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19620845 + ... + 28584803.

It is an arithmetic number, because the mean of its divisors is an integer number (12782920698600).

Almost surely, 2^{216056726120216} is an apocalyptic number.

It is an amenable number.

216056726120216 is a deficient number, since it is larger than the sum of its proper divisors (192996736234984).

216056726120216 is a wasteful number, since it uses less digits than its factorization.

216056726120216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8993319 (or 8993315 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 216056726120216 in words is "two hundred sixteen trillion, fifty-six billion, seven hundred twenty-six million, one hundred twenty thousand, two hundred sixteen".