16810033 has 12 divisors (see below), whose sum is σ = 18005680. Its totient is φ = 15683976.

The previous prime is 16810019. The next prime is 16810039. The reversal of 16810033 is 33001861.

It is a de Polignac number, because none of the positive numbers 2^k-16810033 is a prime.

It is a super-2 number, since 2×16810033² = 565154418922178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16809986 and 16810013.

It is not an unprimeable number, because it can be changed into a prime (16810039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22378 + ... + 23116.

Almost surely, 2^16810033 is an apocalyptic number.

It is an amenable number.

16810033 is a deficient number, since it is larger than the sum of its proper divisors (1195647).

16810033 is an equidigital number, since it uses as much as digits as its factorization.

16810033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 16810033 is about 4100.0040243883. The cubic root of 16810033 is about 256.1668071800.

Adding to 16810033 its reverse (33001861), we get a palindrome (49811894).

It can be divided in two parts, 168 and 10033, that added together give a palindrome (10201).

The spelling of 16810033 in words is "sixteen million, eight hundred ten thousand, thirty-three".