6663436 has 24 divisors (see below), whose sum is σ = 12669440. Its totient is φ = 3048192.

The previous prime is 6663431. The next prime is 6663451. The reversal of 6663436 is 6343666.

It is not an unprimeable number, because it can be changed into a prime (6663431) 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 7 ways as a sum of consecutive naturals, for example, 6100 + ... + 7108.

Almost surely, 2^6663436 is an apocalyptic number.

It is an amenable number.

6663436 is a deficient number, since it is larger than the sum of its proper divisors (6006004).

6663436 is a wasteful number, since it uses less digits than its factorization.

6663436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153 (or 1151 counting only the distinct ones).

The product of its digits is 46656, while the sum is 34.

The square root of 6663436 is about 2581.3632057500. The cubic root of 6663436 is about 188.1767991267.

The spelling of 6663436 in words is "six million, six hundred sixty-three thousand, four hundred thirty-six".