6658859424 has 48 divisors (see below), whose sum is σ = 19976580288. Its totient is φ = 1902531072.

The previous prime is 6658859413. The next prime is 6658859479. The reversal of 6658859424 is 4249588566.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×6658859424² = 88680817657187223552, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4953837 + ... + 4955180.

It is an arithmetic number, because the mean of its divisors is an integer number (416178756).

Almost surely, 2^6658859424 is an apocalyptic number.

It is an amenable number.

6658859424 is an abundant number, since it is smaller than the sum of its proper divisors (13317720864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6658859424 is a wasteful number, since it uses less digits than its factorization.

6658859424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9909037 (or 9909029 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 57.

The square root of 6658859424 is about 81601.8346852569. The cubic root of 6658859424 is about 1881.3370811167.

The spelling of 6658859424 in words is "six billion, six hundred fifty-eight million, eight hundred fifty-nine thousand, four hundred twenty-four".