6663532 has 12 divisors (see below), whose sum is σ = 11770920. Its totient is φ = 3300416.

The previous prime is 6663523. The next prime is 6663539. The reversal of 6663532 is 2353666.

It is a junction number, because it is equal to n+sod(n) for n = 6663494 and 6663503.

It is not an unprimeable number, because it can be changed into a prime (6663539) 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, 7357 + ... + 8212.

It is an arithmetic number, because the mean of its divisors is an integer number (980910).

Almost surely, 2^6663532 is an apocalyptic number.

It is an amenable number.

6663532 is a deficient number, since it is larger than the sum of its proper divisors (5107388).

6663532 is a wasteful number, since it uses less digits than its factorization.

6663532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15680 (or 15678 counting only the distinct ones).

The product of its digits is 19440, while the sum is 31.

The square root of 6663532 is about 2581.3818005092. The cubic root of 6663532 is about 188.1777028089.

The spelling of 6663532 in words is "six million, six hundred sixty-three thousand, five hundred thirty-two".