2666116 has 6 divisors (see below), whose sum is σ = 4665710. Its totient is φ = 1333056.

The previous prime is 2666101. The next prime is 2666117. The reversal of 2666116 is 6116662.

It can be written as a sum of positive squares in only one way, i.e., 2656900 + 9216 = 1630^2 + 96^2 .

It is not an unprimeable number, because it can be changed into a prime (2666117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333261 + ... + 333268.

2^2666116 is an apocalyptic number.

It is an amenable number.

2666116 is a deficient number, since it is larger than the sum of its proper divisors (1999594).

2666116 is a wasteful number, since it uses less digits than its factorization.

2666116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666533 (or 666531 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 2666116 is about 1632.8245466063. The cubic root of 2666116 is about 138.6627089395.

The spelling of 2666116 in words is "two million, six hundred sixty-six thousand, one hundred sixteen".