165404340484 has 12 divisors (see below), whose sum is σ = 289549016064. Its totient is φ = 82676050184.

The previous prime is 165404340481. The next prime is 165404340511. The reversal of 165404340484 is 484043404561.

It is a self number, because there is not a number n which added to its sum of digits gives 165404340484.

It is not an unprimeable number, because it can be changed into a prime (165404340481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6515764 + ... + 6541099.

It is an arithmetic number, because the mean of its divisors is an integer number (24129084672).

Almost surely, 2^165404340484 is an apocalyptic number.

It is an amenable number.

165404340484 is a deficient number, since it is larger than the sum of its proper divisors (124144675580).

165404340484 is a wasteful number, since it uses less digits than its factorization.

165404340484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13060034 (or 13060032 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 43.

The spelling of 165404340484 in words is "one hundred sixty-five billion, four hundred four million, three hundred forty thousand, four hundred eighty-four".