16103421017 has 2 divisors, whose sum is σ = 16103421018. Its totient is φ = 16103421016.

The previous prime is 16103421011. The next prime is 16103421053. The reversal of 16103421017 is 71012430161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15669782041 + 433638976 = 125179^2 + 20824^2 .

It is an emirp because it is prime and its reverse (71012430161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16103421017 - 2¹⁰ = 16103419993 is a prime.

It is not a weakly prime, because it can be changed into another prime (16103421011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8051710508 + 8051710509.

It is an arithmetic number, because the mean of its divisors is an integer number (8051710509).

Almost surely, 2^16103421017 is an apocalyptic number.

It is an amenable number.

16103421017 is a deficient number, since it is larger than the sum of its proper divisors (1).

16103421017 is an equidigital number, since it uses as much as digits as its factorization.

16103421017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 16103421017 its reverse (71012430161), we get a palindrome (87115851178).

The spelling of 16103421017 in words is "sixteen billion, one hundred three million, four hundred twenty-one thousand, seventeen".