16504045073 has 2 divisors, whose sum is σ = 16504045074. Its totient is φ = 16504045072.

The previous prime is 16504045067. The next prime is 16504045079. The reversal of 16504045073 is 37054040561.

It is a balanced prime because it is at equal distance from previous prime (16504045067) and next prime (16504045079).

It can be written as a sum of positive squares in only one way, i.e., 8498627344 + 8005417729 = 92188^2 + 89473^2 .

It is a cyclic number.

It is not a de Polignac number, because 16504045073 - 2¹⁰ = 16504044049 is a prime.

It is not a weakly prime, because it can be changed into another prime (16504045079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8252022536 + 8252022537.

It is an arithmetic number, because the mean of its divisors is an integer number (8252022537).

Almost surely, 2^16504045073 is an apocalyptic number.

It is an amenable number.

16504045073 is a deficient number, since it is larger than the sum of its proper divisors (1).

16504045073 is an equidigital number, since it uses as much as digits as its factorization.

16504045073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 16504045073 in words is "sixteen billion, five hundred four million, forty-five thousand, seventy-three".