6666532 has 12 divisors (see below), whose sum is σ = 11684736. Its totient is φ = 3328040.

The previous prime is 6666523. The next prime is 6666547. The reversal of 6666532 is 2356666.

It is an Ulam number.

It is a nialpdrome in base 10.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3657 + ... + 5167.

It is an arithmetic number, because the mean of its divisors is an integer number (973728).

Almost surely, 2^6666532 is an apocalyptic number.

It is an amenable number.

6666532 is a deficient number, since it is larger than the sum of its proper divisors (5018204).

6666532 is a wasteful number, since it uses less digits than its factorization.

6666532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618 (or 2616 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

The square root of 6666532 is about 2581.9628192521. The cubic root of 6666532 is about 188.2059385058.

The spelling of 6666532 in words is "six million, six hundred sixty-six thousand, five hundred thirty-two".