216144213 has 8 divisors (see below), whose sum is σ = 288912576. Its totient is φ = 143736000.

The previous prime is 216144197. The next prime is 216144223. The reversal of 216144213 is 312441612.

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

It is not a de Polignac number, because 216144213 - 2⁴ = 216144197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216144223) 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 7 ways as a sum of consecutive naturals, for example, 88633 + ... + 91038.

It is an arithmetic number, because the mean of its divisors is an integer number (36114072).

Almost surely, 2^216144213 is an apocalyptic number.

It is an amenable number.

216144213 is a deficient number, since it is larger than the sum of its proper divisors (72768363).

216144213 is a wasteful number, since it uses less digits than its factorization.

216144213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180075.

The product of its digits is 1152, while the sum is 24.

The square root of 216144213 is about 14701.8438639512. The cubic root of 216144213 is about 600.1335008492.

Adding to 216144213 its reverse (312441612), we get a palindrome (528585825).

The spelling of 216144213 in words is "two hundred sixteen million, one hundred forty-four thousand, two hundred thirteen".