5556666479 has 16 divisors (see below), whose sum is σ = 6842622528. Its totient is φ = 4394138112.

The previous prime is 5556666449. The next prime is 5556666497. The reversal of 5556666479 is 9746666555.

It is a happy number.

5556666479 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-5556666479 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5556666449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166439 + ... + 197015.

It is an arithmetic number, because the mean of its divisors is an integer number (427663908).

Almost surely, 2^5556666479 is an apocalyptic number.

5556666479 is a deficient number, since it is larger than the sum of its proper divisors (1285956049).

5556666479 is a wasteful number, since it uses less digits than its factorization.

5556666479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32594.

The product of its digits is 40824000, while the sum is 59.

The square root of 5556666479 is about 74543.0511784968. The cubic root of 5556666479 is about 1771.2156606681.

The spelling of 5556666479 in words is "five billion, five hundred fifty-six million, six hundred sixty-six thousand, four hundred seventy-nine".