165017214 has 24 divisors (see below), whose sum is σ = 361558080. Its totient is φ = 54387168.

The previous prime is 165017213. The next prime is 165017231. The reversal of 165017214 is 412710561.

It is a happy number.

165017214 is a `hidden beast` number, since 1 + 650 + 1 + 7 + 2 + 1 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165017213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49902 + ... + 53105.

It is an arithmetic number, because the mean of its divisors is an integer number (15064920).

Almost surely, 2^165017214 is an apocalyptic number.

165017214 is an abundant number, since it is smaller than the sum of its proper divisors (196540866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165017214 is a wasteful number, since it uses less digits than its factorization.

165017214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103104 (or 103101 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 165017214 is about 12845.9026152311. The cubic root of 165017214 is about 548.4997284103.

Adding to 165017214 its reverse (412710561), we get a palindrome (577727775).

The spelling of 165017214 in words is "one hundred sixty-five million, seventeen thousand, two hundred fourteen".