16260689 has 2 divisors, whose sum is σ = 16260690. Its totient is φ = 16260688.

The previous prime is 16260679. The next prime is 16260707. The reversal of 16260689 is 98606261.

16260689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15147664 + 1113025 = 3892^2 + 1055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16260689 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16260679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8130344 + 8130345.

It is an arithmetic number, because the mean of its divisors is an integer number (8130345).

Almost surely, 2^16260689 is an apocalyptic number.

It is an amenable number.

16260689 is a deficient number, since it is larger than the sum of its proper divisors (1).

16260689 is an equidigital number, since it uses as much as digits as its factorization.

16260689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 16260689 is about 4032.4544634751. The cubic root of 16260689 is about 253.3453755048.

The spelling of 16260689 in words is "sixteen million, two hundred sixty thousand, six hundred eighty-nine".