16135216 has 10 divisors (see below), whose sum is σ = 31262012. Its totient is φ = 8067600.

The previous prime is 16135201. The next prime is 16135253. The reversal of 16135216 is 61253161.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 504210 + ... + 504241.

Almost surely, 2^16135216 is an apocalyptic number.

16135216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16135216 is a deficient number, since it is larger than the sum of its proper divisors (15126796).

16135216 is a wasteful number, since it uses less digits than its factorization.

16135216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008459 (or 1008453 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 16135216 is about 4016.8664403985. The cubic root of 16135216 is about 252.6920592162.

Adding to 16135216 its reverse (61253161), we get a palindrome (77388377).

The spelling of 16135216 in words is "sixteen million, one hundred thirty-five thousand, two hundred sixteen".