16895969 has 2 divisors, whose sum is σ = 16895970. Its totient is φ = 16895968.

The previous prime is 16895933. The next prime is 16895999. The reversal of 16895969 is 96959861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16851025 + 44944 = 4105^2 + 212^2 .

It is an emirp because it is prime and its reverse (96959861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16895969 - 2¹⁶ = 16830433 is a prime.

It is a super-2 number, since 2×16895969² = 570947536897922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16895969.

It is not a weakly prime, because it can be changed into another prime (16895929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8447984 + 8447985.

It is an arithmetic number, because the mean of its divisors is an integer number (8447985).

Almost surely, 2^16895969 is an apocalyptic number.

It is an amenable number.

16895969 is a deficient number, since it is larger than the sum of its proper divisors (1).

16895969 is an equidigital number, since it uses as much as digits as its factorization.

16895969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 53.

The square root of 16895969 is about 4110.4706543169. The cubic root of 16895969 is about 256.6025894653.

The spelling of 16895969 in words is "sixteen million, eight hundred ninety-five thousand, nine hundred sixty-nine".