556605000000 has 1792 divisors, whose sum is σ = 2539993497600. Its totient is φ = 116640000000.

The previous prime is 556604999983. The next prime is 556605000043. The reversal of 556605000000 is 506655.

556605000000 is a `hidden beast` number, since 5 + 56 + 605 + 0 + 0 + 0 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 17954999985 + ... + 17955000015.

Almost surely, 2^556605000000 is an apocalyptic number.

556605000000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556605000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1269996748800).

556605000000 is an abundant number, since it is smaller than the sum of its proper divisors (1983388497600).

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

556605000000 is an frugal number, since it uses more digits than its factorization.

556605000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 556605000000 its reverse (506655), we get a palindrome (556605506655).

The spelling of 556605000000 in words is "five hundred fifty-six billion, six hundred five million", and thus it is an aban number.