165224869163 has 4 divisors (see below), whose sum is σ = 165246596880. Its totient is φ = 165203141448.

The previous prime is 165224869127. The next prime is 165224869177. The reversal of 165224869163 is 361968422561.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 165224869163 - 2¹⁰ = 165224868139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165224869063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10852448 + ... + 10867661.

It is an arithmetic number, because the mean of its divisors is an integer number (41311649220).

Almost surely, 2^165224869163 is an apocalyptic number.

165224869163 is a deficient number, since it is larger than the sum of its proper divisors (21727717).

165224869163 is an equidigital number, since it uses as much as digits as its factorization.

165224869163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21727716.

The product of its digits is 3732480, while the sum is 53.

The spelling of 165224869163 in words is "one hundred sixty-five billion, two hundred twenty-four million, eight hundred sixty-nine thousand, one hundred sixty-three".