103443421165 has 16 divisors (see below), whose sum is σ = 141888193920. Its totient is φ = 70921166400.

The previous prime is 103443421141. The next prime is 103443421183. The reversal of 103443421165 is 561124344301.

It is not a de Polignac number, because 103443421165 - 2⁹ = 103443420653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103443421165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16311 + ... + 455140.

It is an arithmetic number, because the mean of its divisors is an integer number (8868012120).

Almost surely, 2^103443421165 is an apocalyptic number.

It is an amenable number.

103443421165 is a deficient number, since it is larger than the sum of its proper divisors (38444772755).

103443421165 is an equidigital number, since it uses as much as digits as its factorization.

103443421165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477732.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 103443421165 its reverse (561124344301), we get a palindrome (664567765466).

The spelling of 103443421165 in words is "one hundred three billion, four hundred forty-three million, four hundred twenty-one thousand, one hundred sixty-five".