5506305666 has 16 divisors (see below), whose sum is σ = 11193146688. Its totient is φ = 1805346000.

The previous prime is 5506305647. The next prime is 5506305677. The reversal of 5506305666 is 6665036055.

It is an unprimeable number.

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, 7521910 + ... + 7522641.

It is an arithmetic number, because the mean of its divisors is an integer number (699571668).

Almost surely, 2^5506305666 is an apocalyptic number.

5506305666 is an abundant number, since it is smaller than the sum of its proper divisors (5686841022).

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

5506305666 is a wasteful number, since it uses less digits than its factorization.

5506305666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15044617.

The product of its (nonzero) digits is 486000, while the sum is 42.

The square root of 5506305666 is about 74204.4854843695. The cubic root of 5506305666 is about 1765.8484917693.

The spelling of 5506305666 in words is "five billion, five hundred six million, three hundred five thousand, six hundred sixty-six".