16716144293 has 2 divisors, whose sum is σ = 16716144294. Its totient is φ = 16716144292.

The previous prime is 16716144283. The next prime is 16716144323. The reversal of 16716144293 is 39244161761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16560343969 + 155800324 = 128687^2 + 12482^2 .

It is a cyclic number.

It is not a de Polignac number, because 16716144293 - 2¹² = 16716140197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16716144233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8358072146 + 8358072147.

It is an arithmetic number, because the mean of its divisors is an integer number (8358072147).

Almost surely, 2^16716144293 is an apocalyptic number.

It is an amenable number.

16716144293 is a deficient number, since it is larger than the sum of its proper divisors (1).

16716144293 is an equidigital number, since it uses as much as digits as its factorization.

16716144293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The spelling of 16716144293 in words is "sixteen billion, seven hundred sixteen million, one hundred forty-four thousand, two hundred ninety-three".