216650223573 has 8 divisors (see below), whose sum is σ = 330133674048. Its totient is φ = 123800127744.

The previous prime is 216650223571. The next prime is 216650223589. The reversal of 216650223573 is 375322056612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 216650223573 - 2¹ = 216650223571 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216650223571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5158338636 + ... + 5158338677.

It is an arithmetic number, because the mean of its divisors is an integer number (41266709256).

Almost surely, 2^216650223573 is an apocalyptic number.

It is an amenable number.

216650223573 is a deficient number, since it is larger than the sum of its proper divisors (113483450475).

216650223573 is a wasteful number, since it uses less digits than its factorization.

216650223573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10316677323.

The product of its (nonzero) digits is 453600, while the sum is 42.

The spelling of 216650223573 in words is "two hundred sixteen billion, six hundred fifty million, two hundred twenty-three thousand, five hundred seventy-three".