5556107766 has 64 divisors (see below), whose sum is σ = 12454166016. Its totient is φ = 1651775840.

The previous prime is 5556107741. The next prime is 5556107771. The reversal of 5556107766 is 6677016555.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 416695 + ... + 429821.

It is an arithmetic number, because the mean of its divisors is an integer number (194596344).

Almost surely, 2^5556107766 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5556107766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6227083008).

5556107766 is an abundant number, since it is smaller than the sum of its proper divisors (6898058250).

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

5556107766 is a wasteful number, since it uses less digits than its factorization.

5556107766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13218 (or 13196 counting only the distinct ones).

The product of its (nonzero) digits is 1323000, while the sum is 48.

The square root of 5556107766 is about 74539.3034982217. The cubic root of 5556107766 is about 1771.1562944763.

The spelling of 5556107766 in words is "five billion, five hundred fifty-six million, one hundred seven thousand, seven hundred sixty-six".