166314199 has 2 divisors, whose sum is σ = 166314200. Its totient is φ = 166314198.

The previous prime is 166314157. The next prime is 166314233. The reversal of 166314199 is 991413661.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166314199 - 2⁹ = 166313687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166314139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83157099 + 83157100.

It is an arithmetic number, because the mean of its divisors is an integer number (83157100).

Almost surely, 2^166314199 is an apocalyptic number.

166314199 is a deficient number, since it is larger than the sum of its proper divisors (1).

166314199 is an equidigital number, since it uses as much as digits as its factorization.

166314199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 40.

The square root of 166314199 is about 12896.2862483740. The cubic root of 166314199 is about 549.9329934898.

The spelling of 166314199 in words is "one hundred sixty-six million, three hundred fourteen thousand, one hundred ninety-nine".