165435441 has 8 divisors (see below), whose sum is σ = 225273984. Its totient is φ = 107943600.

The previous prime is 165435421. The next prime is 165435443. The reversal of 165435441 is 144534561.

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

It is not a de Polignac number, because 165435441 - 2¹⁴ = 165419057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165435443) 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 7 ways as a sum of consecutive naturals, for example, 586510 + ... + 586791.

It is an arithmetic number, because the mean of its divisors is an integer number (28159248).

Almost surely, 2^165435441 is an apocalyptic number.

It is an amenable number.

165435441 is a deficient number, since it is larger than the sum of its proper divisors (59838543).

165435441 is a wasteful number, since it uses less digits than its factorization.

165435441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173351.

The product of its digits is 28800, while the sum is 33.

The square root of 165435441 is about 12862.1709287352. The cubic root of 165435441 is about 548.9627182290.

The spelling of 165435441 in words is "one hundred sixty-five million, four hundred thirty-five thousand, four hundred forty-one".