165416214 has 8 divisors (see below), whose sum is σ = 330832440. Its totient is φ = 55138736.

The previous prime is 165416213. The next prime is 165416221. The reversal of 165416214 is 412614561.

It is a sphenic number, since it is the product of 3 distinct primes.

165416214 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165416213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13784679 + ... + 13784690.

It is an arithmetic number, because the mean of its divisors is an integer number (41354055).

Almost surely, 2^165416214 is an apocalyptic number.

165416214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

165416214 is a wasteful number, since it uses less digits than its factorization.

165416214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27569374.

The product of its digits is 5760, while the sum is 30.

The square root of 165416214 is about 12861.4234826476. The cubic root of 165416214 is about 548.9414504865.

The spelling of 165416214 in words is "one hundred sixty-five million, four hundred sixteen thousand, two hundred fourteen".