6663405124 has 6 divisors (see below), whose sum is σ = 11660958974. Its totient is φ = 3331702560.

The previous prime is 6663405107. The next prime is 6663405137. The reversal of 6663405124 is 4215043666.

It can be written as a sum of positive squares in only one way, i.e., 3634884100 + 3028521024 = 60290^2 + 55032^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 832925637 + ... + 832925644.

Almost surely, 2^6663405124 is an apocalyptic number.

It is an amenable number.

6663405124 is a deficient number, since it is larger than the sum of its proper divisors (4997553850).

6663405124 is a wasteful number, since it uses less digits than its factorization.

6663405124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665851285 (or 1665851283 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 6663405124 is about 81629.6828610770. The cubic root of 6663405124 is about 1881.7650847804.

The spelling of 6663405124 in words is "six billion, six hundred sixty-three million, four hundred five thousand, one hundred twenty-four".