2160263403665 has 16 divisors (see below), whose sum is σ = 2610517740480. Its totient is φ = 1716103838400.

The previous prime is 2160263403601. The next prime is 2160263403667. The reversal of 2160263403665 is 5663043620612.

It is not a de Polignac number, because 2160263403665 - 2⁶ = 2160263403601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2160263403667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1094219 + ... + 2349008.

It is an arithmetic number, because the mean of its divisors is an integer number (163157358780).

Almost surely, 2^{2160263403665} is an apocalyptic number.

It is an amenable number.

2160263403665 is a deficient number, since it is larger than the sum of its proper divisors (450254336815).

2160263403665 is a wasteful number, since it uses less digits than its factorization.

2160263403665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444112.

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 2160263403665 in words is "two trillion, one hundred sixty billion, two hundred sixty-three million, four hundred three thousand, six hundred sixty-five".