2165327673 has 8 divisors (see below), whose sum is σ = 2887416000. Its totient is φ = 1443395568.

The previous prime is 2165327639. The next prime is 2165327677. The reversal of 2165327673 is 3767235612.

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

It is not a de Polignac number, because 2165327673 - 2⁹ = 2165327161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2165327677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1573 + ... + 65826.

It is an arithmetic number, because the mean of its divisors is an integer number (360927000).

Almost surely, 2^2165327673 is an apocalyptic number.

It is an amenable number.

2165327673 is a deficient number, since it is larger than the sum of its proper divisors (722088327).

2165327673 is a wasteful number, since it uses less digits than its factorization.

2165327673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78111.

The product of its digits is 317520, while the sum is 42.

The square root of 2165327673 is about 46533.0814904837. The cubic root of 2165327673 is about 1293.7227306348.

The spelling of 2165327673 in words is "two billion, one hundred sixty-five million, three hundred twenty-seven thousand, six hundred seventy-three".