166365341 has 2 divisors, whose sum is σ = 166365342. Its totient is φ = 166365340.

The previous prime is 166365299. The next prime is 166365343. The reversal of 166365341 is 143563661.

166365341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163302841 + 3062500 = 12779^2 + 1750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166365341 is a prime.

Together with 166365343, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166365343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83182670 + 83182671.

It is an arithmetic number, because the mean of its divisors is an integer number (83182671).

Almost surely, 2^166365341 is an apocalyptic number.

It is an amenable number.

166365341 is a deficient number, since it is larger than the sum of its proper divisors (1).

166365341 is an equidigital number, since it uses as much as digits as its factorization.

166365341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 35.

The square root of 166365341 is about 12898.2689148583. The cubic root of 166365341 is about 549.9893562679.

The spelling of 166365341 in words is "one hundred sixty-six million, three hundred sixty-five thousand, three hundred forty-one".