6666724132 has 24 divisors (see below), whose sum is σ = 11734632000. Its totient is φ = 3314028960.

The previous prime is 6666724027. The next prime is 6666724159. The reversal of 6666724132 is 2314276666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487119 + ... + 500617.

It is an arithmetic number, because the mean of its divisors is an integer number (488943000).

Almost surely, 2^6666724132 is an apocalyptic number.

It is an amenable number.

6666724132 is a deficient number, since it is larger than the sum of its proper divisors (5067907868).

6666724132 is a wasteful number, since it uses less digits than its factorization.

6666724132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14211 (or 14209 counting only the distinct ones).

The product of its digits is 435456, while the sum is 43.

The square root of 6666724132 is about 81650.0099938757. The cubic root of 6666724132 is about 1882.0774654414.

The spelling of 6666724132 in words is "six billion, six hundred sixty-six million, seven hundred twenty-four thousand, one hundred thirty-two".