6659013044 has 12 divisors (see below), whose sum is σ = 11655113568. Its totient is φ = 3328980600.

The previous prime is 6659013029. The next prime is 6659013079. The reversal of 6659013044 is 4403109566.

It is a junction number, because it is equal to n+sod(n) for n = 6659012989 and 6659013007.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 102272 + ... + 154199.

It is an arithmetic number, because the mean of its divisors is an integer number (971259464).

Almost surely, 2^6659013044 is an apocalyptic number.

It is an amenable number.

6659013044 is a deficient number, since it is larger than the sum of its proper divisors (4996100524).

6659013044 is a wasteful number, since it uses less digits than its factorization.

6659013044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262966 (or 262964 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 6659013044 is about 81602.7759576842. The cubic root of 6659013044 is about 1881.3515484983.

The spelling of 6659013044 in words is "six billion, six hundred fifty-nine million, thirteen thousand, forty-four".