2161093 has 8 divisors (see below), whose sum is σ = 2370816. Its totient is φ = 1953600.

The previous prime is 2161087. The next prime is 2161121. The reversal of 2161093 is 3901612.

2161093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-2161093 is a prime.

It is a Duffinian number.

2161093 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161493) 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, 2013 + ... + 2893.

It is an arithmetic number, because the mean of its divisors is an integer number (296352).

2^2161093 is an apocalyptic number.

It is an amenable number.

2161093 is a deficient number, since it is larger than the sum of its proper divisors (209723).

2161093 is a wasteful number, since it uses less digits than its factorization.

2161093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2161093 is about 1470.0656447928. The cubic root of 2161093 is about 129.2878814023.

The spelling of 2161093 in words is "two million, one hundred sixty-one thousand, ninety-three".