2160791 has 4 divisors (see below), whose sum is σ = 2174712. Its totient is φ = 2146872.

The previous prime is 2160787. The next prime is 2160797. The reversal of 2160791 is 1970612.

2160791 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 2160791 - 2² = 2160787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2160791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160797) 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, 6725 + ... + 7038.

It is an arithmetic number, because the mean of its divisors is an integer number (543678).

2^2160791 is an apocalyptic number.

2160791 is a deficient number, since it is larger than the sum of its proper divisors (13921).

2160791 is a wasteful number, since it uses less digits than its factorization.

2160791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13920.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 2160791 is about 1469.9629247025. The cubic root of 2160791 is about 129.2818587154.

The spelling of 2160791 in words is "two million, one hundred sixty thousand, seven hundred ninety-one".