16822541243 has 4 divisors (see below), whose sum is σ = 16824323208. Its totient is φ = 16820759280.

The previous prime is 16822541231. The next prime is 16822541377. The reversal of 16822541243 is 34214522861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34214522861 = 83 ⋅412223167.

It is a cyclic number.

It is not a de Polignac number, because 16822541243 - 2¹⁶ = 16822475707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16822541197 and 16822541206.

It is not an unprimeable number, because it can be changed into a prime (16822541843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876746 + ... + 895727.

It is an arithmetic number, because the mean of its divisors is an integer number (4206080802).

Almost surely, 2^16822541243 is an apocalyptic number.

16822541243 is a deficient number, since it is larger than the sum of its proper divisors (1781965).

16822541243 is an equidigital number, since it uses as much as digits as its factorization.

16822541243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781964.

The product of its digits is 92160, while the sum is 38.

The spelling of 16822541243 in words is "sixteen billion, eight hundred twenty-two million, five hundred forty-one thousand, two hundred forty-three".