165515214 has 16 divisors (see below), whose sum is σ = 332881920. Its totient is φ = 54863160.

The previous prime is 165515167. The next prime is 165515239. The reversal of 165515214 is 412515561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75982 + ... + 78129.

It is an arithmetic number, because the mean of its divisors is an integer number (20805120).

Almost surely, 2^165515214 is an apocalyptic number.

165515214 is an abundant number, since it is smaller than the sum of its proper divisors (167366706).

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

165515214 is a wasteful number, since it uses less digits than its factorization.

165515214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154295.

The product of its digits is 6000, while the sum is 30.

The square root of 165515214 is about 12865.2716255818. The cubic root of 165515214 is about 549.0509406914.

The spelling of 165515214 in words is "one hundred sixty-five million, five hundred fifteen thousand, two hundred fourteen".