216041573 has 16 divisors (see below), whose sum is σ = 245686272. Its totient is φ = 188190000.

The previous prime is 216041531. The next prime is 216041603. The reversal of 216041573 is 375140612.

It is a cyclic number.

It is not a de Polignac number, because 216041573 - 2¹⁶ = 215976037 is a prime.

It is a super-2 number, since 2×216041573² = 93347922528628658, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216041513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32048 + ... + 38198.

It is an arithmetic number, because the mean of its divisors is an integer number (15355392).

Almost surely, 2^216041573 is an apocalyptic number.

It is an amenable number.

216041573 is a deficient number, since it is larger than the sum of its proper divisors (29644699).

216041573 is a wasteful number, since it uses less digits than its factorization.

216041573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6296.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 216041573 is about 14698.3527308335. The cubic root of 216041573 is about 600.0384910492.

The spelling of 216041573 in words is "two hundred sixteen million, forty-one thousand, five hundred seventy-three".