16351324542673 has 2 divisors, whose sum is σ = 16351324542674. Its totient is φ = 16351324542672.

The previous prime is 16351324542661. The next prime is 16351324542739. The reversal of 16351324542673 is 37624542315361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11194324107264 + 5157000435409 = 3345792^2 + 2270903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16351324542673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16351324542673.

It is not a weakly prime, because it can be changed into another prime (16351324542373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8175662271336 + 8175662271337.

It is an arithmetic number, because the mean of its divisors is an integer number (8175662271337).

Almost surely, 2^{16351324542673} is an apocalyptic number.

It is an amenable number.

16351324542673 is a deficient number, since it is larger than the sum of its proper divisors (1).

16351324542673 is an equidigital number, since it uses as much as digits as its factorization.

16351324542673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10886400, while the sum is 52.

The spelling of 16351324542673 in words is "sixteen trillion, three hundred fifty-one billion, three hundred twenty-four million, five hundred forty-two thousand, six hundred seventy-three".