2161108 has 24 divisors (see below), whose sum is σ = 4077864. Its totient is φ = 998400.

The previous prime is 2161087. The next prime is 2161121. The reversal of 2161108 is 8011612.

2161108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 35344 + 2125764 = 188^2 + 1458^2 .

It is a congruent number.

It is an unprimeable number.

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, 3888 + ... + 4408.

It is an arithmetic number, because the mean of its divisors is an integer number (169911).

2^2161108 is an apocalyptic number.

It is an amenable number.

2161108 is a deficient number, since it is larger than the sum of its proper divisors (1916756).

2161108 is a wasteful number, since it uses less digits than its factorization.

2161108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 601 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 2161108 is about 1470.0707465969. The cubic root of 2161108 is about 129.2881805277.

The spelling of 2161108 in words is "two million, one hundred sixty-one thousand, one hundred eight".