16803308173 has 2 divisors, whose sum is σ = 16803308174. Its totient is φ = 16803308172.

The previous prime is 16803308153. The next prime is 16803308183. The reversal of 16803308173 is 37180330861.

16803308173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8904187044 + 7899121129 = 94362^2 + 88877^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16803308173 is a prime.

It is a super-3 number, since 3×16803308173³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16803308153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8401654086 + 8401654087.

It is an arithmetic number, because the mean of its divisors is an integer number (8401654087).

Almost surely, 2^16803308173 is an apocalyptic number.

It is an amenable number.

16803308173 is a deficient number, since it is larger than the sum of its proper divisors (1).

16803308173 is an equidigital number, since it uses as much as digits as its factorization.

16803308173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 16803308173 in words is "sixteen billion, eight hundred three million, three hundred eight thousand, one hundred seventy-three".