16811133 has 8 divisors (see below), whose sum is σ = 22579008. Its totient is φ = 11125344.

The previous prime is 16811131. The next prime is 16811153. The reversal of 16811133 is 33111861.

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

It is not a de Polignac number, because 16811133 - 2¹ = 16811131 is a prime.

It is a super-2 number, since 2×16811133² = 565228385487378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16811131) 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, 20041 + ... + 20862.

It is an arithmetic number, because the mean of its divisors is an integer number (2822376).

Almost surely, 2^16811133 is an apocalyptic number.

It is an amenable number.

16811133 is a deficient number, since it is larger than the sum of its proper divisors (5767875).

16811133 is a wasteful number, since it uses less digits than its factorization.

16811133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41043.

The product of its digits is 432, while the sum is 24.

The square root of 16811133 is about 4100.1381684036. The cubic root of 16811133 is about 256.1723946634.

Adding to 16811133 its reverse (33111861), we get a palindrome (49922994).

The spelling of 16811133 in words is "sixteen million, eight hundred eleven thousand, one hundred thirty-three".