6606161 has 2 divisors, whose sum is σ = 6606162. Its totient is φ = 6606160.

The previous prime is 6606157. The next prime is 6606169. The reversal of 6606161 is 1616066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6599761 + 6400 = 2569^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 6606161 - 2² = 6606157 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6606161.

It is not a weakly prime, because it can be changed into another prime (6606169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3303080 + 3303081.

It is an arithmetic number, because the mean of its divisors is an integer number (3303081).

Almost surely, 2^6606161 is an apocalyptic number.

It is an amenable number.

6606161 is a deficient number, since it is larger than the sum of its proper divisors (1).

6606161 is an equidigital number, since it uses as much as digits as its factorization.

6606161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 6606161 is about 2570.2453190309. The cubic root of 6606161 is about 187.6360943790.

The spelling of 6606161 in words is "six million, six hundred six thousand, one hundred sixty-one".