16347167813 has 2 divisors, whose sum is σ = 16347167814. Its totient is φ = 16347167812.

The previous prime is 16347167747. The next prime is 16347167831. The reversal of 16347167813 is 31876174361.

Together with next prime (16347167831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15411236164 + 935931649 = 124142^2 + 30593^2 .

It is a cyclic number.

It is not a de Polignac number, because 16347167813 - 2¹⁰ = 16347166789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16347167833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8173583906 + 8173583907.

It is an arithmetic number, because the mean of its divisors is an integer number (8173583907).

Almost surely, 2^16347167813 is an apocalyptic number.

It is an amenable number.

16347167813 is a deficient number, since it is larger than the sum of its proper divisors (1).

16347167813 is an equidigital number, since it uses as much as digits as its factorization.

16347167813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 47.

The spelling of 16347167813 in words is "sixteen billion, three hundred forty-seven million, one hundred sixty-seven thousand, eight hundred thirteen".