6555205155604 has 12 divisors (see below), whose sum is σ = 13110410311264. Its totient is φ = 2809373638104.

The previous prime is 6555205155601. The next prime is 6555205155677. The reversal of 6555205155604 is 4065515025556.

6555205155604 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6555205155601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117057234894 + ... + 117057234949.

Almost surely, 2^{6555205155604} is an apocalyptic number.

It is an amenable number.

6555205155604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6555205155604 is a wasteful number, since it uses less digits than its factorization.

6555205155604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234114469854 (or 234114469852 counting only the distinct ones).

The product of its (nonzero) digits is 4500000, while the sum is 49.

The spelling of 6555205155604 in words is "six trillion, five hundred fifty-five billion, two hundred five million, one hundred fifty-five thousand, six hundred four".