165984235403076 has 72 divisors (see below), whose sum is σ = 450114763600320. Its totient is φ = 53420213683872.

The previous prime is 165984235403003. The next prime is 165984235403087. The reversal of 165984235403076 is 670304532489561.

165984235403076 is a `hidden beast` number, since 1 + 6 + 5 + 9 + 84 + 2 + 3 + 540 + 3 + 0 + 7 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2944207576 + ... + 2944263951.

It is a 2-persistent number, because it is pandigital, and so is 2⋅165984235403076 = 331968470806152, but 3⋅165984235403076 = 497952706209228 is not.

Almost surely, 2^{165984235403076} is an apocalyptic number.

It is an amenable number.

165984235403076 is an abundant number, since it is smaller than the sum of its proper divisors (284130528197244).

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

165984235403076 is a wasteful number, since it uses less digits than its factorization.

165984235403076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5888471575 (or 5888471561 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 63.

The spelling of 165984235403076 in words is "one hundred sixty-five trillion, nine hundred eighty-four billion, two hundred thirty-five million, four hundred three thousand, seventy-six".