2661112 has 24 divisors (see below), whose sum is σ = 5304960. Its totient is φ = 1251200.

The previous prime is 2661107. The next prime is 2661119. The reversal of 2661112 is 2111662.

2661112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2661112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661119) 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 5 ways as a sum of consecutive naturals, for example, 1737 + ... + 2887.

It is an arithmetic number, because the mean of its divisors is an integer number (221040).

2^2661112 is an apocalyptic number.

It is an amenable number.

2661112 is a deficient number, since it is larger than the sum of its proper divisors (2643848).

2661112 is a wasteful number, since it uses less digits than its factorization.

2661112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191 (or 1170 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 2661112 is about 1631.2915128817. The cubic root of 2661112 is about 138.5759031700.

Adding to 2661112 its reverse (2111662), we get a palindrome (4772774).

It can be divided in two parts, 266 and 1112, that added together give a triangular number (1378 = T₅₂).

The spelling of 2661112 in words is "two million, six hundred sixty-one thousand, one hundred twelve".