220166341 has 2 divisors, whose sum is σ = 220166342. Its totient is φ = 220166340.

The previous prime is 220166333. The next prime is 220166363. The reversal of 220166341 is 143661022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113870241 + 106296100 = 10671^2 + 10310^2 .

It is a cyclic number.

It is not a de Polignac number, because 220166341 - 2³ = 220166333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220166641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110083170 + 110083171.

It is an arithmetic number, because the mean of its divisors is an integer number (110083171).

Almost surely, 2^220166341 is an apocalyptic number.

It is an amenable number.

220166341 is a deficient number, since it is larger than the sum of its proper divisors (1).

220166341 is an equidigital number, since it uses as much as digits as its factorization.

220166341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 220166341 is about 14838.0032686342. The cubic root of 220166341 is about 603.8331821886.

The spelling of 220166341 in words is "two hundred twenty million, one hundred sixty-six thousand, three hundred forty-one".