6550169 has 2 divisors, whose sum is σ = 6550170. Its totient is φ = 6550168.

The previous prime is 6550163. The next prime is 6550177. The reversal of 6550169 is 9610556.

6550169 is digitally balanced in base 3, 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., 5929225 + 620944 = 2435^2 + 788^2 .

It is a cyclic number.

It is not a de Polignac number, because 6550169 - 2²⁰ = 5501593 is a prime.

It is a super-2 number, since 2×6550169² = 85809427857122, which contains 22 as substring.

It is a Chen prime.

It is equal to p₄₄₇₉₇₁ and since 6550169 and 447971 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6550163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275084 + 3275085.

It is an arithmetic number, because the mean of its divisors is an integer number (3275085).

Almost surely, 2^6550169 is an apocalyptic number.

It is an amenable number.

6550169 is a deficient number, since it is larger than the sum of its proper divisors (1).

6550169 is an equidigital number, since it uses as much as digits as its factorization.

6550169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 6550169 is about 2559.3297950831. The cubic root of 6550169 is about 187.1044723026.

The spelling of 6550169 in words is "six million, five hundred fifty thousand, one hundred sixty-nine".