16233616 has 40 divisors (see below), whose sum is σ = 36180224. Its totient is φ = 6912000.

The previous prime is 16233599. The next prime is 16233617. The reversal of 16233616 is 61633261.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (16233617) 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, 21241 + ... + 21991.

Almost surely, 2^16233616 is an apocalyptic number.

16233616 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 16233616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18090112).

16233616 is an abundant number, since it is smaller than the sum of its proper divisors (19946608).

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

16233616 is a wasteful number, since it uses less digits than its factorization.

16233616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959 (or 953 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The square root of 16233616 is about 4029.0961765637. The cubic root of 16233616 is about 253.2046961570.

Adding to 16233616 its reverse (61633261), we get a palindrome (77866877).

The spelling of 16233616 in words is "sixteen million, two hundred thirty-three thousand, six hundred sixteen".