6688675554 has 16 divisors (see below), whose sum is σ = 14593474080. Its totient is φ = 2026871360.

The previous prime is 6688675529. The next prime is 6688675573. The reversal of 6688675554 is 4555768866.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50671719 + ... + 50671850.

It is an arithmetic number, because the mean of its divisors is an integer number (912092130).

Almost surely, 2^6688675554 is an apocalyptic number.

6688675554 is an abundant number, since it is smaller than the sum of its proper divisors (7904798526).

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

6688675554 is a wasteful number, since it uses less digits than its factorization.

6688675554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101343585.

The product of its digits is 48384000, while the sum is 60.

The square root of 6688675554 is about 81784.3234000258. The cubic root of 6688675554 is about 1884.1408983791.

The spelling of 6688675554 in words is "six billion, six hundred eighty-eight million, six hundred seventy-five thousand, five hundred fifty-four".