6681271862 has 8 divisors (see below), whose sum is σ = 10025862600. Its totient is φ = 3339317664.

The previous prime is 6681271859. The next prime is 6681271873. The reversal of 6681271862 is 2681721866.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 652787 + ... + 662942.

It is an arithmetic number, because the mean of its divisors is an integer number (1253232825).

Almost surely, 2^6681271862 is an apocalyptic number.

6681271862 is a deficient number, since it is larger than the sum of its proper divisors (3344590738).

6681271862 is a wasteful number, since it uses less digits than its factorization.

6681271862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318270.

The product of its digits is 387072, while the sum is 47.

The square root of 6681271862 is about 81739.0473519235. The cubic root of 6681271862 is about 1883.4454568135.

The spelling of 6681271862 in words is "six billion, six hundred eighty-one million, two hundred seventy-one thousand, eight hundred sixty-two".