5555555554966 has 16 divisors (see below), whose sum is σ = 8341641475200. Its totient is φ = 2775008815488.

The previous prime is 5555555554961. The next prime is 5555555554993. The reversal of 5555555554966 is 6694555555555.

It is a super-2 number, since 2×5555555554966² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5555555554895 and 5555555554904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555555554961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28339995 + ... + 28535353.

It is an arithmetic number, because the mean of its divisors is an integer number (521352592200).

Almost surely, 2^{5555555554966} is an apocalyptic number.

5555555554966 is a deficient number, since it is larger than the sum of its proper divisors (2786085920234).

5555555554966 is a wasteful number, since it uses less digits than its factorization.

5555555554966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209463.

The product of its digits is 2531250000, while the sum is 70.

The spelling of 5555555554966 in words is "five trillion, five hundred fifty-five billion, five hundred fifty-five million, five hundred fifty-four thousand, nine hundred sixty-six".