16291169 has 2 divisors, whose sum is σ = 16291170. Its totient is φ = 16291168.

The previous prime is 16291159. The next prime is 16291181. The reversal of 16291169 is 96119261.

16291169 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., 13778944 + 2512225 = 3712^2 + 1585^2 .

It is a cyclic number.

It is not a de Polignac number, because 16291169 - 2²⁰ = 15242593 is a prime.

It is a super-2 number, since 2×16291169² = 530804374773122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (16291159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8145584 + 8145585.

It is an arithmetic number, because the mean of its divisors is an integer number (8145585).

Almost surely, 2^16291169 is an apocalyptic number.

It is an amenable number.

16291169 is a deficient number, since it is larger than the sum of its proper divisors (1).

16291169 is an equidigital number, since it uses as much as digits as its factorization.

16291169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 35.

The square root of 16291169 is about 4036.2320300003. The cubic root of 16291169 is about 253.5035719016.

The spelling of 16291169 in words is "sixteen million, two hundred ninety-one thousand, one hundred sixty-nine".