166271341 has 2 divisors, whose sum is σ = 166271342. Its totient is φ = 166271340.

The previous prime is 166271333. The next prime is 166271389. The reversal of 166271341 is 143172661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122988100 + 43283241 = 11090^2 + 6579^2 .

It is a cyclic number.

It is not a de Polignac number, because 166271341 - 2³ = 166271333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166271311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83135670 + 83135671.

It is an arithmetic number, because the mean of its divisors is an integer number (83135671).

Almost surely, 2^166271341 is an apocalyptic number.

It is an amenable number.

166271341 is a deficient number, since it is larger than the sum of its proper divisors (1).

166271341 is an equidigital number, since it uses as much as digits as its factorization.

166271341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 166271341 is about 12894.6245001551. The cubic root of 166271341 is about 549.8857514760.

The spelling of 166271341 in words is "one hundred sixty-six million, two hundred seventy-one thousand, three hundred forty-one".