16816135 has 8 divisors (see below), whose sum is σ = 23062176. Its totient is φ = 11531040.

The previous prime is 16816133. The next prime is 16816141. The reversal of 16816135 is 53161861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16816135 - 2¹ = 16816133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16816097 and 16816106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16816133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240196 + ... + 240265.

It is an arithmetic number, because the mean of its divisors is an integer number (2882772).

Almost surely, 2^16816135 is an apocalyptic number.

16816135 is a deficient number, since it is larger than the sum of its proper divisors (6246041).

16816135 is an equidigital number, since it uses as much as digits as its factorization.

16816135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480473.

The product of its digits is 4320, while the sum is 31.

The square root of 16816135 is about 4100.7481024808. The cubic root of 16816135 is about 256.1977994007.

Adding to 16816135 its reverse (53161861), we get a palindrome (69977996).

The spelling of 16816135 in words is "sixteen million, eight hundred sixteen thousand, one hundred thirty-five".