2661136 has 20 divisors (see below), whose sum is σ = 5245200. Its totient is φ = 1307552.

The previous prime is 2661119. The next prime is 2661137. The reversal of 2661136 is 6311662.

It is a self number, because there is not a number n which added to its sum of digits gives 2661136.

It is not an unprimeable number, because it can be changed into a prime (2661137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466 + ... + 2353.

It is an arithmetic number, because the mean of its divisors is an integer number (262260).

2^2661136 is an apocalyptic number.

It is an amenable number.

2661136 is a deficient number, since it is larger than the sum of its proper divisors (2584064).

2661136 is a wasteful number, since it uses less digits than its factorization.

2661136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886 (or 2880 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 2661136 is about 1631.2988689998. The cubic root of 2661136 is about 138.5763197642.

Adding to 2661136 its reverse (6311662), we get a palindrome (8972798).

The spelling of 2661136 in words is "two million, six hundred sixty-one thousand, one hundred thirty-six".