6669131 has 8 divisors (see below), whose sum is σ = 7698144. Its totient is φ = 5659200.

The previous prime is 6669121. The next prime is 6669137. The reversal of 6669131 is 1319666.

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 6669131 - 2⁶ = 6669067 is a prime.

It is a super-2 number, since 2×6669131² = 88954616590322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6669137) 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, 4010 + ... + 5423.

It is an arithmetic number, because the mean of its divisors is an integer number (962268).

Almost surely, 2^6669131 is an apocalyptic number.

6669131 is a deficient number, since it is larger than the sum of its proper divisors (1029013).

6669131 is a wasteful number, since it uses less digits than its factorization.

6669131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9541.

The product of its digits is 5832, while the sum is 32.

The square root of 6669131 is about 2582.4660694770. The cubic root of 6669131 is about 188.2303931839.

The spelling of 6669131 in words is "six million, six hundred sixty-nine thousand, one hundred thirty-one".