6686574522 has 16 divisors (see below), whose sum is σ = 13375778880. Its totient is φ = 2228419872.

The previous prime is 6686574491. The next prime is 6686574541. The reversal of 6686574522 is 2254756866.

6686574522 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 75718 + ... + 138225.

It is an arithmetic number, because the mean of its divisors is an integer number (835986180).

Almost surely, 2^6686574522 is an apocalyptic number.

6686574522 is an abundant number, since it is smaller than the sum of its proper divisors (6689204358).

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

6686574522 is a wasteful number, since it uses less digits than its factorization.

6686574522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219157.

The product of its digits is 4838400, while the sum is 51.

The square root of 6686574522 is about 81771.4774355949. The cubic root of 6686574522 is about 1883.9435969925.

The spelling of 6686574522 in words is "six billion, six hundred eighty-six million, five hundred seventy-four thousand, five hundred twenty-two".