165605214 has 8 divisors (see below), whose sum is σ = 331210440. Its totient is φ = 55201736.

The previous prime is 165605203. The next prime is 165605233. The reversal of 165605214 is 412506561.

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

165605214 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13800429 + ... + 13800440.

It is an arithmetic number, because the mean of its divisors is an integer number (41401305).

Almost surely, 2^165605214 is an apocalyptic number.

165605214 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.

165605214 is a wasteful number, since it uses less digits than its factorization.

165605214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27600874.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 165605214 is about 12868.7689387913. The cubic root of 165605214 is about 549.1504393612.

The spelling of 165605214 in words is "one hundred sixty-five million, six hundred five thousand, two hundred fourteen".