165230199 has 10 divisors (see below), whose sum is σ = 246825480. Its totient is φ = 110153412.

The previous prime is 165230189. The next prime is 165230201. The reversal of 165230199 is 991032561.

It is not a de Polignac number, because 165230199 - 2¹⁷ = 165099127 is a prime.

It is a super-3 number, since 3×165230199³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165230129) 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 in 9 ways as a sum of consecutive naturals, for example, 1019859 + ... + 1020020.

It is an arithmetic number, because the mean of its divisors is an integer number (24682548).

Almost surely, 2^165230199 is an apocalyptic number.

165230199 is a deficient number, since it is larger than the sum of its proper divisors (81595281).

165230199 is an equidigital number, since it uses as much as digits as its factorization.

165230199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039891 (or 2039882 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 165230199 is about 12854.1899394711. The cubic root of 165230199 is about 548.7356068128.

The spelling of 165230199 in words is "one hundred sixty-five million, two hundred thirty thousand, one hundred ninety-nine".