556616061650 has 24 divisors (see below), whose sum is σ = 1129424591664. Its totient is φ = 202405840400.

The previous prime is 556616061649. The next prime is 556616061689. The reversal of 556616061650 is 56160616655.

It is a junction number, because it is equal to n+sod(n) for n = 556616061595 and 556616061604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 506014052 + ... + 506015151.

It is an arithmetic number, because the mean of its divisors is an integer number (47059357986).

Almost surely, 2^556616061650 is an apocalyptic number.

556616061650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

556616061650 is an abundant number, since it is smaller than the sum of its proper divisors (572808530014).

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

556616061650 is a wasteful number, since it uses less digits than its factorization.

556616061650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012029226 (or 1012029221 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 556616061650 in words is "five hundred fifty-six billion, six hundred sixteen million, sixty-one thousand, six hundred fifty".