16369789 has 2 divisors, whose sum is σ = 16369790. Its totient is φ = 16369788.

The previous prime is 16369781. The next prime is 16369807. The reversal of 16369789 is 98796361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14953689 + 1416100 = 3867^2 + 1190^2 .

It is a cyclic number.

It is not a de Polignac number, because 16369789 - 2³ = 16369781 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16369781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8184894 + 8184895.

It is an arithmetic number, because the mean of its divisors is an integer number (8184895).

Almost surely, 2^16369789 is an apocalyptic number.

It is an amenable number.

16369789 is a deficient number, since it is larger than the sum of its proper divisors (1).

16369789 is an equidigital number, since it uses as much as digits as its factorization.

16369789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 49.

The square root of 16369789 is about 4045.9595895164. The cubic root of 16369789 is about 253.9107142729.

The spelling of 16369789 in words is "sixteen million, three hundred sixty-nine thousand, seven hundred eighty-nine".