6668011 has 4 divisors (see below), whose sum is σ = 7620592. Its totient is φ = 5715432.

The previous prime is 6667981. The next prime is 6668021. The reversal of 6668011 is 1108666.

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 6668011 - 2⁵ = 6667979 is a prime.

It is a super-2 number, since 2×6668011² = 88924741392242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6668021) 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, 476280 + ... + 476293.

It is an arithmetic number, because the mean of its divisors is an integer number (1905148).

Almost surely, 2^6668011 is an apocalyptic number.

6668011 is a deficient number, since it is larger than the sum of its proper divisors (952581).

6668011 is an equidigital number, since it uses as much as digits as its factorization.

6668011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952580.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 6668011 is about 2582.2492133797. The cubic root of 6668011 is about 188.2198555870.

The spelling of 6668011 in words is "six million, six hundred sixty-eight thousand, eleven".