2001873165 has 32 divisors (see below), whose sum is σ = 3423150720. Its totient is φ = 995457024.

The previous prime is 2001873163. The next prime is 2001873179. The reversal of 2001873165 is 5613781002.

It is not a de Polignac number, because 2001873165 - 2¹ = 2001873163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001873163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9400 + ... + 63969.

It is an arithmetic number, because the mean of its divisors is an integer number (106973460).

Almost surely, 2^2001873165 is an apocalyptic number.

It is an amenable number.

2001873165 is a deficient number, since it is larger than the sum of its proper divisors (1421277555).

2001873165 is a wasteful number, since it uses less digits than its factorization.

2001873165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73501.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 2001873165 is about 44742.2972700330. The cubic root of 2001873165 is about 1260.3142671625.

The spelling of 2001873165 in words is "two billion, one million, eight hundred seventy-three thousand, one hundred sixty-five".