166386119 has 2 divisors, whose sum is σ = 166386120. Its totient is φ = 166386118.

The previous prime is 166386107. The next prime is 166386127. The reversal of 166386119 is 911683661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166386119 - 2²⁴ = 149608903 is a prime.

It is a super-2 number, since 2×166386119² = 55368681191764322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166386149) 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, 83193059 + 83193060.

It is an arithmetic number, because the mean of its divisors is an integer number (83193060).

Almost surely, 2^166386119 is an apocalyptic number.

166386119 is a deficient number, since it is larger than the sum of its proper divisors (1).

166386119 is an equidigital number, since it uses as much as digits as its factorization.

166386119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 166386119 is about 12899.0743466343. The cubic root of 166386119 is about 550.0122520687.

The spelling of 166386119 in words is "one hundred sixty-six million, three hundred eighty-six thousand, one hundred nineteen".