16233216 has 72 divisors (see below), whose sum is σ = 45131520. Its totient is φ = 5170176.

The previous prime is 16233199. The next prime is 16233247. The reversal of 16233216 is 61233261.

16233216 = T₂₈₈ + T₂₈₉ + ... + T₄₉₄.

It is a happy number.

16233216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17205 + ... + 18123.

Almost surely, 2^16233216 is an apocalyptic number.

16233216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16233216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22565760).

16233216 is an abundant number, since it is smaller than the sum of its proper divisors (28898304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16233216 is an equidigital number, since it uses as much as digits as its factorization.

16233216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 947 counting only the distinct ones).

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

The square root of 16233216 is about 4029.0465373336. The cubic root of 16233216 is about 253.2026164661.

Adding to 16233216 its reverse (61233261), we get a palindrome (77466477).

The spelling of 16233216 in words is "sixteen million, two hundred thirty-three thousand, two hundred sixteen".