5554115666 has 16 divisors (see below), whose sum is σ = 9190674720. Its totient is φ = 2496230880.

The previous prime is 5554115629. The next prime is 5554115669. The reversal of 5554115666 is 6665114555.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5554115669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416356 + ... + 1420271.

It is an arithmetic number, because the mean of its divisors is an integer number (574417170).

Almost surely, 2^5554115666 is an apocalyptic number.

5554115666 is a deficient number, since it is larger than the sum of its proper divisors (3636559054).

5554115666 is a wasteful number, since it uses less digits than its factorization.

5554115666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836729.

The product of its digits is 540000, while the sum is 44.

The square root of 5554115666 is about 74525.9395512730. The cubic root of 5554115666 is about 1770.9445909858.

The spelling of 5554115666 in words is "five billion, five hundred fifty-four million, one hundred fifteen thousand, six hundred sixty-six".