165210144465103 has 8 divisors (see below), whose sum is σ = 167303250478400. Its totient is φ = 163117084411008.

The previous prime is 165210144465053. The next prime is 165210144465161. The reversal of 165210144465103 is 301564441012561.

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

It is a cyclic number.

It is not a de Polignac number, because 165210144465103 - 2¹⁷ = 165210144334031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165210144465103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165210145465103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4225926 + ... + 18662227.

It is an arithmetic number, because the mean of its divisors is an integer number (20912906309800).

Almost surely, 2^{165210144465103} is an apocalyptic number.

165210144465103 is a deficient number, since it is larger than the sum of its proper divisors (2093106013297).

165210144465103 is an equidigital number, since it uses as much as digits as its factorization.

165210144465103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22979601.

The product of its (nonzero) digits is 345600, while the sum is 43.

Adding to 165210144465103 its reverse (301564441012561), we get a palindrome (466774585477664).

The spelling of 165210144465103 in words is "one hundred sixty-five trillion, two hundred ten billion, one hundred forty-four million, four hundred sixty-five thousand, one hundred three".