216230273 has 16 divisors (see below), whose sum is σ = 254052480. Its totient is φ = 180182016.

The previous prime is 216230263. The next prime is 216230297. The reversal of 216230273 is 372032612.

It is not a de Polignac number, because 216230273 - 2¹⁶ = 216164737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (216230213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67361 + ... + 70497.

It is an arithmetic number, because the mean of its divisors is an integer number (15878280).

Almost surely, 2^216230273 is an apocalyptic number.

It is an amenable number.

216230273 is a deficient number, since it is larger than the sum of its proper divisors (37822207).

216230273 is a wasteful number, since it uses less digits than its factorization.

216230273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 216230273 is about 14704.7704164329. The cubic root of 216230273 is about 600.2131400173.

Adding to 216230273 its reverse (372032612), we get a palindrome (588262885).

The spelling of 216230273 in words is "two hundred sixteen million, two hundred thirty thousand, two hundred seventy-three".