16812223171 has 4 divisors (see below), whose sum is σ = 17042527672. Its totient is φ = 16581918672.

The previous prime is 16812223159. The next prime is 16812223177. The reversal of 16812223171 is 17132221861.

16812223171 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 is a cyclic number.

It is not a de Polignac number, because 16812223171 - 2¹⁵ = 16812190403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16812223177) 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, 115152141 + ... + 115152286.

It is an arithmetic number, because the mean of its divisors is an integer number (4260631918).

Almost surely, 2^16812223171 is an apocalyptic number.

16812223171 is a deficient number, since it is larger than the sum of its proper divisors (230304501).

16812223171 is an equidigital number, since it uses as much as digits as its factorization.

16812223171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230304500.

The product of its digits is 8064, while the sum is 34.

The spelling of 16812223171 in words is "sixteen billion, eight hundred twelve million, two hundred twenty-three thousand, one hundred seventy-one".