6686133960 has 64 divisors (see below), whose sum is σ = 21881897280. Its totient is φ = 1620880640.

The previous prime is 6686133959. The next prime is 6686133977. The reversal of 6686133960 is 693316866.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2531307 + ... + 2533946.

It is an arithmetic number, because the mean of its divisors is an integer number (341904645).

Almost surely, 2^6686133960 is an apocalyptic number.

6686133960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6686133960 is an abundant number, since it is smaller than the sum of its proper divisors (15195763320).

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

6686133960 is a wasteful number, since it uses less digits than its factorization.

6686133960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065278 (or 5065274 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 48.

The square root of 6686133960 is about 81768.7835301468. The cubic root of 6686133960 is about 1883.9022199423.

The spelling of 6686133960 in words is "six billion, six hundred eighty-six million, one hundred thirty-three thousand, nine hundred sixty".