16903494017 has 2 divisors, whose sum is σ = 16903494018. Its totient is φ = 16903494016.

The previous prime is 16903493977. The next prime is 16903494131. The reversal of 16903494017 is 71049430961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9521075776 + 7382418241 = 97576^2 + 85921^2 .

It is a cyclic number.

It is not a de Polignac number, because 16903494017 - 2¹² = 16903489921 is a prime.

It is not a weakly prime, because it can be changed into another prime (16903494617) 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, 8451747008 + 8451747009.

It is an arithmetic number, because the mean of its divisors is an integer number (8451747009).

Almost surely, 2^16903494017 is an apocalyptic number.

It is an amenable number.

16903494017 is a deficient number, since it is larger than the sum of its proper divisors (1).

16903494017 is an equidigital number, since it uses as much as digits as its factorization.

16903494017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 16903494017 in words is "sixteen billion, nine hundred three million, four hundred ninety-four thousand, seventeen".