166414349 has 2 divisors, whose sum is σ = 166414350. Its totient is φ = 166414348.

The previous prime is 166414337. The next prime is 166414351. The reversal of 166414349 is 943414661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166229449 + 184900 = 12893^2 + 430^2 .

It is a cyclic number.

It is not a de Polignac number, because 166414349 - 2¹² = 166410253 is a prime.

Together with 166414351, 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 (166414379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83207174 + 83207175.

It is an arithmetic number, because the mean of its divisors is an integer number (83207175).

Almost surely, 2^166414349 is an apocalyptic number.

It is an amenable number.

166414349 is a deficient number, since it is larger than the sum of its proper divisors (1).

166414349 is an equidigital number, since it uses as much as digits as its factorization.

166414349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The square root of 166414349 is about 12900.1685647902. The cubic root of 166414349 is about 550.0433563618.

The spelling of 166414349 in words is "one hundred sixty-six million, four hundred fourteen thousand, three hundred forty-nine".