16636234 has 24 divisors (see below), whose sum is σ = 27068580. Its totient is φ = 7641216.

The previous prime is 16636219. The next prime is 16636237. The reversal of 16636234 is 43263661.

It can be written as a sum of positive squares in 2 ways, for example, as 15626209 + 1010025 = 3953^2 + 1005^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16636196 and 16636205.

It is not an unprimeable number, because it can be changed into a prime (16636237) 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, 152572 + ... + 152680.

Almost surely, 2^16636234 is an apocalyptic number.

16636234 is a deficient number, since it is larger than the sum of its proper divisors (10432346).

16636234 is a wasteful number, since it uses less digits than its factorization.

16636234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 195 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 16636234 is about 4078.7539764001. The cubic root of 16636234 is about 255.2809104762.

Adding to 16636234 its reverse (43263661), we get a palindrome (59899895).

The spelling of 16636234 in words is "sixteen million, six hundred thirty-six thousand, two hundred thirty-four".