16512347273 has 2 divisors, whose sum is σ = 16512347274. Its totient is φ = 16512347272.

The previous prime is 16512347263. The next prime is 16512347279. The reversal of 16512347273 is 37274321561.

It is a happy number.

16512347273 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., 10154995984 + 6357351289 = 100772^2 + 79733^2 .

It is a cyclic number.

It is not a de Polignac number, because 16512347273 - 2⁸ = 16512347017 is a prime.

It is a super-2 number, since 2×16512347273² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16512347273.

It is not a weakly prime, because it can be changed into another prime (16512347279) 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, 8256173636 + 8256173637.

It is an arithmetic number, because the mean of its divisors is an integer number (8256173637).

Almost surely, 2^16512347273 is an apocalyptic number.

It is an amenable number.

16512347273 is a deficient number, since it is larger than the sum of its proper divisors (1).

16512347273 is an equidigital number, since it uses as much as digits as its factorization.

16512347273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 41.

The spelling of 16512347273 in words is "sixteen billion, five hundred twelve million, three hundred forty-seven thousand, two hundred seventy-three".