6666131 has 8 divisors (see below), whose sum is σ = 7091280. Its totient is φ = 6248448.

The previous prime is 6666097. The next prime is 6666133. The reversal of 6666131 is 1316666.

6666131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6666131 - 2²² = 2471827 is a prime.

It is a super-2 number, since 2×6666131² = 88874605018322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6666094 and 6666103.

It is not an unprimeable number, because it can be changed into a prime (6666133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35 + ... + 3651.

It is an arithmetic number, because the mean of its divisors is an integer number (886410).

Almost surely, 2^6666131 is an apocalyptic number.

6666131 is a deficient number, since it is larger than the sum of its proper divisors (425149).

6666131 is a wasteful number, since it uses less digits than its factorization.

6666131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733.

The product of its digits is 3888, while the sum is 29.

The square root of 6666131 is about 2581.8851639839. The cubic root of 6666131 is about 188.2021648249.

The spelling of 6666131 in words is "six million, six hundred sixty-six thousand, one hundred thirty-one".