6666936 has 16 divisors (see below), whose sum is σ = 16667400. Its totient is φ = 2222304.

The previous prime is 6666931. The next prime is 6666937. The reversal of 6666936 is 6396666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6666931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138871 + ... + 138918.

Almost surely, 2^6666936 is an apocalyptic number.

It is an amenable number.

6666936 is an abundant number, since it is smaller than the sum of its proper divisors (10000464).

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

6666936 is a wasteful number, since it uses less digits than its factorization.

6666936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277798 (or 277794 counting only the distinct ones).

The product of its digits is 209952, while the sum is 42.

The square root of 6666936 is about 2582.0410531206. The cubic root of 6666936 is about 188.2097402658.

The spelling of 6666936 in words is "six million, six hundred sixty-six thousand, nine hundred thirty-six".