216090573 has 8 divisors (see below), whose sum is σ = 288709536. Its totient is φ = 143766000.

The previous prime is 216090551. The next prime is 216090577. The reversal of 216090573 is 375090612.

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

It is not a de Polignac number, because 216090573 - 2⁸ = 216090317 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 (216090577) 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, 71878 + ... + 74823.

It is an arithmetic number, because the mean of its divisors is an integer number (36088692).

Almost surely, 2^216090573 is an apocalyptic number.

It is an amenable number.

216090573 is a deficient number, since it is larger than the sum of its proper divisors (72618963).

216090573 is a wasteful number, since it uses less digits than its factorization.

216090573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147195.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 216090573 is about 14700.0194897830. The cubic root of 216090573 is about 600.0838521697.

The spelling of 216090573 in words is "two hundred sixteen million, ninety thousand, five hundred seventy-three".