16216233 has 12 divisors (see below), whose sum is σ = 23620944. Its totient is φ = 9814000.

The previous prime is 16216223. The next prime is 16216241. The reversal of 16216233 is 33261261.

It is a happy number.

It is not a de Polignac number, because 16216233 - 2¹² = 16212137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16216223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22783 + ... + 23483.

It is an arithmetic number, because the mean of its divisors is an integer number (1968412).

Almost surely, 2^16216233 is an apocalyptic number.

It is an amenable number.

16216233 is a deficient number, since it is larger than the sum of its proper divisors (7404711).

16216233 is an frugal number, since it uses more digits than its factorization.

16216233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416 (or 715 counting only the distinct ones).

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

The square root of 16216233 is about 4026.9384152232. The cubic root of 16216233 is about 253.1142864540.

Adding to 16216233 its reverse (33261261), we get a palindrome (49477494).

The spelling of 16216233 in words is "sixteen million, two hundred sixteen thousand, two hundred thirty-three".