556620142066600 has 24 divisors (see below), whose sum is σ = 1294141830305310. Its totient is φ = 222648056826560.

The previous prime is 556620142066553. The next prime is 556620142066601. The reversal of 556620142066600 is 6660241026655.

It can be written as a sum of positive squares in 3 ways, for example, as 441304888678564 + 115315253388036 = 21007258^2 + 10738494^2 .

It is not an unprimeable number, because it can be changed into a prime (556620142066601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1391550354967 + ... + 1391550355366.

Almost surely, 2^{556620142066600} is an apocalyptic number.

556620142066600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

556620142066600 is an abundant number, since it is smaller than the sum of its proper divisors (737521688238710).

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

556620142066600 is a wasteful number, since it uses less digits than its factorization.

556620142066600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783100710349 (or 2783100710340 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 556620142066600 in words is "five hundred fifty-six trillion, six hundred twenty billion, one hundred forty-two million, sixty-six thousand, six hundred".