16605232 has 40 divisors (see below), whose sum is σ = 37024416. Its totient is φ = 7067136.

The previous prime is 16605227. The next prime is 16605233. The reversal of 16605232 is 23250661.

It is a junction number, because it is equal to n+sod(n) for n = 16605197 and 16605206.

It is not an unprimeable number, because it can be changed into a prime (16605233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18948 + ... + 19804.

Almost surely, 2^16605232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16605232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18512208).

16605232 is an abundant number, since it is smaller than the sum of its proper divisors (20419184).

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

16605232 is a wasteful number, since it uses less digits than its factorization.

16605232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 16605232 is about 4074.9517788558. The cubic root of 16605232 is about 255.1222379467.

Adding to 16605232 its reverse (23250661), we get a palindrome (39855893).

The spelling of 16605232 in words is "sixteen million, six hundred five thousand, two hundred thirty-two".