2165560103 has 4 divisors (see below), whose sum is σ = 2474925840. Its totient is φ = 1856194368.

The previous prime is 2165560081. The next prime is 2165560157. The reversal of 2165560103 is 3010655612.

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

It is not a de Polignac number, because 2165560103 - 2³⁰ = 1091818279 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 (2165560003) 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, 154682858 + ... + 154682871.

It is an arithmetic number, because the mean of its divisors is an integer number (618731460).

Almost surely, 2^2165560103 is an apocalyptic number.

2165560103 is a deficient number, since it is larger than the sum of its proper divisors (309365737).

2165560103 is an equidigital number, since it uses as much as digits as its factorization.

2165560103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309365736.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 2165560103 is about 46535.5788940032. The cubic root of 2165560103 is about 1293.7690191203.

The spelling of 2165560103 in words is "two billion, one hundred sixty-five million, five hundred sixty thousand, one hundred three".