16812058133 has 4 divisors (see below), whose sum is σ = 18105293388. Its totient is φ = 15518822880.

The previous prime is 16812058093. The next prime is 16812058141. The reversal of 16812058133 is 33185021861.

16812058133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2788051204 + 14024006929 = 52802^2 + 118423^2 .

It is a cyclic number.

It is not a de Polignac number, because 16812058133 - 2²² = 16807863829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16812051133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646617608 + ... + 646617633.

It is an arithmetic number, because the mean of its divisors is an integer number (4526323347).

Almost surely, 2^16812058133 is an apocalyptic number.

16812058133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16812058133 is a deficient number, since it is larger than the sum of its proper divisors (1293235255).

16812058133 is a wasteful number, since it uses less digits than its factorization.

16812058133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293235254.

The product of its (nonzero) digits is 34560, while the sum is 38.

Adding to 16812058133 its reverse (33185021861), we get a palindrome (49997079994).

The spelling of 16812058133 in words is "sixteen billion, eight hundred twelve million, fifty-eight thousand, one hundred thirty-three".