6557230812 has 24 divisors (see below), whose sum is σ = 16691133312. Its totient is φ = 1987039600.

The previous prime is 6557230789. The next prime is 6557230831. The reversal of 6557230812 is 2180327556.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24837864 + ... + 24838127.

It is an arithmetic number, because the mean of its divisors is an integer number (695463888).

Almost surely, 2^6557230812 is an apocalyptic number.

It is an amenable number.

6557230812 is an abundant number, since it is smaller than the sum of its proper divisors (10133902500).

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

6557230812 is a wasteful number, since it uses less digits than its factorization.

6557230812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49676009 (or 49676007 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 6557230812 is about 80976.7300648773. The cubic root of 6557230812 is about 1871.7168797579.

The spelling of 6557230812 in words is "six billion, five hundred fifty-seven million, two hundred thirty thousand, eight hundred twelve".