6556120204 has 24 divisors (see below), whose sum is σ = 11579642928. Its totient is φ = 3247745280.

The previous prime is 6556120147. The next prime is 6556120213. The reversal of 6556120204 is 4020216556.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274027 + ... + 296989.

It is an arithmetic number, because the mean of its divisors is an integer number (482485122).

Almost surely, 2^6556120204 is an apocalyptic number.

It is an amenable number.

6556120204 is a deficient number, since it is larger than the sum of its proper divisors (5023522724).

6556120204 is a wasteful number, since it uses less digits than its factorization.

6556120204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23625 (or 23623 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 6556120204 is about 80969.8721994792. The cubic root of 6556120204 is about 1871.6112019613.

The spelling of 6556120204 in words is "six billion, five hundred fifty-six million, one hundred twenty thousand, two hundred four".