2661116 has 6 divisors (see below), whose sum is σ = 4656960. Its totient is φ = 1330556.

The previous prime is 2661107. The next prime is 2661119. The reversal of 2661116 is 6111662.

It is a junction number, because it is equal to n+sod(n) for n = 2661091 and 2661100.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 332636 + ... + 332643.

It is an arithmetic number, because the mean of its divisors is an integer number (776160).

2^2661116 is an apocalyptic number.

It is an amenable number.

2661116 is a deficient number, since it is larger than the sum of its proper divisors (1995844).

2661116 is a wasteful number, since it uses less digits than its factorization.

2661116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665283 (or 665281 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 2661116 is about 1631.2927389037. The cubic root of 2661116 is about 138.5759726025.

Adding to 2661116 its reverse (6111662), we get a palindrome (8772778).

The spelling of 2661116 in words is "two million, six hundred sixty-one thousand, one hundred sixteen".