2668616 has 16 divisors (see below), whose sum is σ = 5065200. Its totient is φ = 1317904.

The previous prime is 2668591. The next prime is 2668619. The reversal of 2668616 is 6168662.

It is a super-2 number, since 2×2668616² = 14243022710912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2668619) 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, 1346 + ... + 2673.

It is an arithmetic number, because the mean of its divisors is an integer number (316575).

2^2668616 is an apocalyptic number.

It is an amenable number.

2668616 is a deficient number, since it is larger than the sum of its proper divisors (2396584).

2668616 is a wasteful number, since it uses less digits than its factorization.

2668616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108 (or 4104 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 2668616 is about 1633.5899118200. The cubic root of 2668616 is about 138.7060364461.

The spelling of 2668616 in words is "two million, six hundred sixty-eight thousand, six hundred sixteen".