6663126 has 8 divisors (see below), whose sum is σ = 13326264. Its totient is φ = 2221040.

The previous prime is 6663121. The next prime is 6663179. The reversal of 6663126 is 6213666.

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

6663126 is an admirable number.

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

It is a junction number, because it is equal to n+sod(n) for n = 6663093 and 6663102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6663121) 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, 555255 + ... + 555266.

It is an arithmetic number, because the mean of its divisors is an integer number (1665783).

Almost surely, 2^6663126 is an apocalyptic number.

6663126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6663126 is a wasteful number, since it uses less digits than its factorization.

6663126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110526.

The product of its digits is 7776, while the sum is 30.

The square root of 6663126 is about 2581.3031592589. The cubic root of 6663126 is about 188.1738809269.

The spelling of 6663126 in words is "six million, six hundred sixty-three thousand, one hundred twenty-six".