6558144980 has 24 divisors (see below), whose sum is σ = 13801869312. Its totient is φ = 2617588512.

The previous prime is 6558144959. The next prime is 6558144991. The reversal of 6558144980 is 894418556.

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 7 ways as a sum of consecutive naturals, for example, 344852 + ... + 363371.

It is an arithmetic number, because the mean of its divisors is an integer number (575077888).

Almost surely, 2^6558144980 is an apocalyptic number.

It is an amenable number.

6558144980 is an abundant number, since it is smaller than the sum of its proper divisors (7243724332).

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

6558144980 is a wasteful number, since it uses less digits than its factorization.

6558144980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708695 (or 708693 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 50.

The square root of 6558144980 is about 80982.3745021100. The cubic root of 6558144980 is about 1871.8038567261.

The spelling of 6558144980 in words is "six billion, five hundred fifty-eight million, one hundred forty-four thousand, nine hundred eighty".