166341499 has 2 divisors, whose sum is σ = 166341500. Its totient is φ = 166341498.

The previous prime is 166341491. The next prime is 166341509. The reversal of 166341499 is 994143661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166341499 - 2³ = 166341491 is a prime.

It is not a weakly prime, because it can be changed into another prime (166341491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83170749 + 83170750.

It is an arithmetic number, because the mean of its divisors is an integer number (83170750).

Almost surely, 2^166341499 is an apocalyptic number.

166341499 is a deficient number, since it is larger than the sum of its proper divisors (1).

166341499 is an equidigital number, since it uses as much as digits as its factorization.

166341499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 43.

The square root of 166341499 is about 12897.3446491904. The cubic root of 166341499 is about 549.9630818195.

The spelling of 166341499 in words is "one hundred sixty-six million, three hundred forty-one thousand, four hundred ninety-nine".