6669126 has 48 divisors (see below), whose sum is σ = 15331680. Its totient is φ = 2090880.

The previous prime is 6669121. The next prime is 6669137. The reversal of 6669126 is 6219666.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6669121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36756 + ... + 36936.

It is an arithmetic number, because the mean of its divisors is an integer number (319410).

Almost surely, 2^6669126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6669126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7665840).

6669126 is an abundant number, since it is smaller than the sum of its proper divisors (8662554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6669126 is a wasteful number, since it uses less digits than its factorization.

6669126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 298 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 6669126 is about 2582.4651014099. The cubic root of 6669126 is about 188.2303461437.

The spelling of 6669126 in words is "six million, six hundred sixty-nine thousand, one hundred twenty-six".