16722192241 has 2 divisors, whose sum is σ = 16722192242. Its totient is φ = 16722192240.

The previous prime is 16722192209. The next prime is 16722192281. The reversal of 16722192241 is 14229122761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15158780641 + 1563411600 = 123121^2 + 39540^2 .

It is a cyclic number.

It is not a de Polignac number, because 16722192241 - 2⁵ = 16722192209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16722192241.

It is not a weakly prime, because it can be changed into another prime (16722192281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8361096120 + 8361096121.

It is an arithmetic number, because the mean of its divisors is an integer number (8361096121).

Almost surely, 2^16722192241 is an apocalyptic number.

It is an amenable number.

16722192241 is a deficient number, since it is larger than the sum of its proper divisors (1).

16722192241 is an equidigital number, since it uses as much as digits as its factorization.

16722192241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The spelling of 16722192241 in words is "sixteen billion, seven hundred twenty-two million, one hundred ninety-two thousand, two hundred forty-one".