165219414 has 16 divisors (see below), whose sum is σ = 335093760. Its totient is φ = 54297320.

The previous prime is 165219407. The next prime is 165219433. The reversal of 165219414 is 414912561.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 193494 + ... + 194345.

It is an arithmetic number, because the mean of its divisors is an integer number (20943360).

Almost surely, 2^165219414 is an apocalyptic number.

165219414 is an abundant number, since it is smaller than the sum of its proper divisors (169874346).

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

165219414 is a wasteful number, since it uses less digits than its factorization.

165219414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387915.

The product of its digits is 8640, while the sum is 33.

The square root of 165219414 is about 12853.7704196084. The cubic root of 165219414 is about 548.7236674250.

The spelling of 165219414 in words is "one hundred sixty-five million, two hundred nineteen thousand, four hundred fourteen".