16144744573 has 2 divisors, whose sum is σ = 16144744574. Its totient is φ = 16144744572.

The previous prime is 16144744559. The next prime is 16144744631. The reversal of 16144744573 is 37544744161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8840136484 + 7304608089 = 94022^2 + 85467^2 .

It is an emirp because it is prime and its reverse (37544744161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16144744573 - 2¹³ = 16144736381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16144744073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8072372286 + 8072372287.

It is an arithmetic number, because the mean of its divisors is an integer number (8072372287).

Almost surely, 2^16144744573 is an apocalyptic number.

It is an amenable number.

16144744573 is a deficient number, since it is larger than the sum of its proper divisors (1).

16144744573 is an equidigital number, since it uses as much as digits as its factorization.

16144744573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 46.

The spelling of 16144744573 in words is "sixteen billion, one hundred forty-four million, seven hundred forty-four thousand, five hundred seventy-three".