6556000556106 has 24 divisors (see below), whose sum is σ = 14204795816484. Its totient is φ = 2185313834880.

The previous prime is 6556000556089. The next prime is 6556000556233. The reversal of 6556000556106 is 6016550006556.

It can be written as a sum of positive squares in 2 ways, for example, as 5479770673881 + 1076229882225 = 2340891^2 + 1037415^2 .

It is a super-2 number, since 2×6556000556106² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488236 + ... + 3653816.

Almost surely, 2^{6556000556106} is an apocalyptic number.

6556000556106 is an abundant number, since it is smaller than the sum of its proper divisors (7648795260378).

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

6556000556106 is a wasteful number, since it uses less digits than its factorization.

6556000556106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280646 (or 3280643 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

It can be divided in two parts, 6556000 and 556106, that added together give a triangular number (7112106 = T₃₇₇₁).

The spelling of 6556000556106 in words is "six trillion, five hundred fifty-six billion, five hundred fifty-six thousand, one hundred six".