16144272293 has 2 divisors, whose sum is σ = 16144272294. Its totient is φ = 16144272292.

The previous prime is 16144272259. The next prime is 16144272311. The reversal of 16144272293 is 39227244161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13571551009 + 2572721284 = 116497^2 + 50722^2 .

It is a cyclic number.

It is not a de Polignac number, because 16144272293 - 2¹² = 16144268197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16144272293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16144272233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8072136146 + 8072136147.

It is an arithmetic number, because the mean of its divisors is an integer number (8072136147).

Almost surely, 2^16144272293 is an apocalyptic number.

It is an amenable number.

16144272293 is a deficient number, since it is larger than the sum of its proper divisors (1).

16144272293 is an equidigital number, since it uses as much as digits as its factorization.

16144272293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The spelling of 16144272293 in words is "sixteen billion, one hundred forty-four million, two hundred seventy-two thousand, two hundred ninety-three".