216230361 has 8 divisors (see below), whose sum is σ = 305266464. Its totient is φ = 135673920.

The previous prime is 216230353. The next prime is 216230369. The reversal of 216230361 is 163032612.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (216230353) and next prime (216230369).

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

It is not a de Polignac number, because 216230361 - 2³ = 216230353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216230369) 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, 2119855 + ... + 2119956.

It is an arithmetic number, because the mean of its divisors is an integer number (38158308).

Almost surely, 2^216230361 is an apocalyptic number.

It is an amenable number.

216230361 is a deficient number, since it is larger than the sum of its proper divisors (89036103).

216230361 is a wasteful number, since it uses less digits than its factorization.

216230361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4239831.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 216230361 is about 14704.7734086588. The cubic root of 216230361 is about 600.2132214409.

Adding to 216230361 its reverse (163032612), we get a palindrome (379262973).

It can be divided in two parts, 2162 and 30361, that added together give a palindrome (32523).

The spelling of 216230361 in words is "two hundred sixteen million, two hundred thirty thousand, three hundred sixty-one".