Three of the following four numbers are alike in a certain way and one is different. Pick the number that is different from the rest.
From the given options,
we can see that,
$$166=2\times 83$$
$$132=2\times \times 3\times 11$$
$$341=11\times 31$$
$$209=11\times 19$$
Apart from 166, all the given numbers are divisible by 11. Hence option A is the different from the given options.
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