216712594576 has 15 divisors (see below), whose sum is σ = 419884259833. Its totient is φ = 108355366240.

The previous prime is 216712594573. The next prime is 216712594591. The reversal of 216712594576 is 675495217612.

The square root of 216712594576 is 465524.

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

216712594576 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 215968396176 + 744198400 = 464724^2 + 27280^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216712594573) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1803906 + ... + 1920286.

Almost surely, 2^216712594576 is an apocalyptic number.

216712594576 is the 465524-th square number.

It is an amenable number.

216712594576 is a deficient number, since it is larger than the sum of its proper divisors (203171665257).

216712594576 is an frugal number, since it uses more digits than its factorization.

216712594576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232770 (or 116383 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 55.

The spelling of 216712594576 in words is "two hundred sixteen billion, seven hundred twelve million, five hundred ninety-four thousand, five hundred seventy-six".