16446313841 has 2 divisors, whose sum is σ = 16446313842. Its totient is φ = 16446313840.

The previous prime is 16446313831. The next prime is 16446313861. The reversal of 16446313841 is 14831364461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12144921616 + 4301392225 = 110204^2 + 65585^2 .

It is an emirp because it is prime and its reverse (14831364461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16446313841 - 2¹⁸ = 16446051697 is a prime.

It is not a weakly prime, because it can be changed into another prime (16446313831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8223156920 + 8223156921.

It is an arithmetic number, because the mean of its divisors is an integer number (8223156921).

Almost surely, 2^16446313841 is an apocalyptic number.

It is an amenable number.

16446313841 is a deficient number, since it is larger than the sum of its proper divisors (1).

16446313841 is an equidigital number, since it uses as much as digits as its factorization.

16446313841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 41.

The spelling of 16446313841 in words is "sixteen billion, four hundred forty-six million, three hundred thirteen thousand, eight hundred forty-one".