2160911 has 4 divisors (see below), whose sum is σ = 2219352. Its totient is φ = 2102472.

The previous prime is 2160883. The next prime is 2160913. The reversal of 2160911 is 1190612.

2160911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2160911 - 2¹⁰ = 2159887 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160913) 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 3 ways as a sum of consecutive naturals, for example, 29165 + ... + 29238.

It is an arithmetic number, because the mean of its divisors is an integer number (554838).

2^2160911 is an apocalyptic number.

2160911 is a deficient number, since it is larger than the sum of its proper divisors (58441).

2160911 is an equidigital number, since it uses as much as digits as its factorization.

2160911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58440.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 2160911 is about 1470.0037414918. The cubic root of 2160911 is about 129.2842519032.

Subtracting from 2160911 its reverse (1190612), we obtain a cube (970299 = 99³).

The spelling of 2160911 in words is "two million, one hundred sixty thousand, nine hundred eleven".