16536216 has 32 divisors (see below), whose sum is σ = 41448240. Its totient is φ = 5497728.

The previous prime is 16536211. The next prime is 16536227. The reversal of 16536216 is 61263561.

16536216 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16536211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12750 + ... + 13986.

Almost surely, 2^16536216 is an apocalyptic number.

It is an amenable number.

16536216 is an abundant number, since it is smaller than the sum of its proper divisors (24912024).

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

16536216 is a wasteful number, since it uses less digits than its factorization.

16536216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803 (or 1799 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 16536216 is about 4066.4746402750. The cubic root of 16536216 is about 254.7682939452.

Adding to 16536216 its reverse (61263561), we get a palindrome (77799777).

The spelling of 16536216 in words is "sixteen million, five hundred thirty-six thousand, two hundred sixteen".