165995515483 has 8 divisors (see below), whose sum is σ = 192307916768. Its totient is φ = 140332803264.

The previous prime is 165995515451. The next prime is 165995515493. The reversal of 165995515483 is 384515599561.

165995515483 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 165995515483 - 2⁵ = 165995515451 is a prime.

It is a super-2 number, since 2×165995515483² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165995515423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162421716 + ... + 162422737.

It is an arithmetic number, because the mean of its divisors is an integer number (24038489596).

Almost surely, 2^165995515483 is an apocalyptic number.

165995515483 is a deficient number, since it is larger than the sum of its proper divisors (26312401285).

165995515483 is an equidigital number, since it uses as much as digits as its factorization.

165995515483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324844533.

The product of its digits is 29160000, while the sum is 61.

The spelling of 165995515483 in words is "one hundred sixty-five billion, nine hundred ninety-five million, five hundred fifteen thousand, four hundred eighty-three".