166365343 has 2 divisors, whose sum is σ = 166365344. Its totient is φ = 166365342.

The previous prime is 166365341. The next prime is 166365377. The reversal of 166365343 is 343563661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166365343 - 2¹ = 166365341 is a prime.

Together with 166365341, it forms a pair of twin primes.

It is equal to p_9310978 and since 166365343 and 9310978 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166365341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83182671 + 83182672.

It is an arithmetic number, because the mean of its divisors is an integer number (83182672).

Almost surely, 2^166365343 is an apocalyptic number.

166365343 is a deficient number, since it is larger than the sum of its proper divisors (1).

166365343 is an equidigital number, since it uses as much as digits as its factorization.

166365343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 37.

The square root of 166365343 is about 12898.2689923881. The cubic root of 166365343 is about 549.9893584718.

The spelling of 166365343 in words is "one hundred sixty-six million, three hundred sixty-five thousand, three hundred forty-three".