165130303103 has 4 divisors (see below), whose sum is σ = 165134777280. Its totient is φ = 165125828928.

The previous prime is 165130303057. The next prime is 165130303111. The reversal of 165130303103 is 301303031561.

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 165130303103 - 2¹⁰ = 165130302079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165130303193) 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, 2181263 + ... + 2255696.

It is an arithmetic number, because the mean of its divisors is an integer number (41283694320).

Almost surely, 2^165130303103 is an apocalyptic number.

165130303103 is a deficient number, since it is larger than the sum of its proper divisors (4474177).

165130303103 is an equidigital number, since it uses as much as digits as its factorization.

165130303103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474176.

The product of its (nonzero) digits is 2430, while the sum is 26.

Adding to 165130303103 its reverse (301303031561), we get a palindrome (466433334664).

The spelling of 165130303103 in words is "one hundred sixty-five billion, one hundred thirty million, three hundred three thousand, one hundred three".