2668011 has 4 divisors (see below), whose sum is σ = 3557352. Its totient is φ = 1778672.

The previous prime is 2667989. The next prime is 2668027. The reversal of 2668011 is 1108662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2668011 - 2⁵ = 2667979 is a prime.

It is a super-2 number, since 2×2668011² = 14236565392242, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2668051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444666 + ... + 444671.

It is an arithmetic number, because the mean of its divisors is an integer number (889338).

2^2668011 is an apocalyptic number.

2668011 is a deficient number, since it is larger than the sum of its proper divisors (889341).

2668011 is an equidigital number, since it uses as much as digits as its factorization.

2668011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889340.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2668011 is about 1633.4047263309. The cubic root of 2668011 is about 138.6955536722.

The spelling of 2668011 in words is "two million, six hundred sixty-eight thousand, eleven".