556057127766 has 16 divisors (see below), whose sum is σ = 1270987720704. Its totient is φ = 158873465064.

The previous prime is 556057127741. The next prime is 556057127807. The reversal of 556057127766 is 667721750655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6619727670 + ... + 6619727753.

It is an arithmetic number, because the mean of its divisors is an integer number (79436732544).

Almost surely, 2^556057127766 is an apocalyptic number.

556057127766 is an abundant number, since it is smaller than the sum of its proper divisors (714930592938).

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

556057127766 is a wasteful number, since it uses less digits than its factorization.

556057127766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13239455435.

The product of its (nonzero) digits is 18522000, while the sum is 57.

The spelling of 556057127766 in words is "five hundred fifty-six billion, fifty-seven million, one hundred twenty-seven thousand, seven hundred sixty-six".