16716144433 has 2 divisors, whose sum is σ = 16716144434. Its totient is φ = 16716144432.

The previous prime is 16716144427. The next prime is 16716144439. The reversal of 16716144433 is 33444161761.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (16716144427) and next prime (16716144439).

It can be written as a sum of positive squares in only one way, i.e., 16715128369 + 1016064 = 129287^2 + 1008^2 .

It is a cyclic number.

It is not a de Polignac number, because 16716144433 - 2¹⁷ = 16716013361 is a prime.

It is not a weakly prime, because it can be changed into another prime (16716144439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8358072216 + 8358072217.

It is an arithmetic number, because the mean of its divisors is an integer number (8358072217).

Almost surely, 2^16716144433 is an apocalyptic number.

It is an amenable number.

16716144433 is a deficient number, since it is larger than the sum of its proper divisors (1).

16716144433 is an equidigital number, since it uses as much as digits as its factorization.

16716144433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 40.

The spelling of 16716144433 in words is "sixteen billion, seven hundred sixteen million, one hundred forty-four thousand, four hundred thirty-three".