6681071850 has 48 divisors (see below), whose sum is σ = 16593571872. Its totient is φ = 1778983360.

The previous prime is 6681071807. The next prime is 6681071863. The reversal of 6681071850 is 581701866.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69844 + ... + 135056.

It is an arithmetic number, because the mean of its divisors is an integer number (345699414).

Almost surely, 2^6681071850 is an apocalyptic number.

6681071850 is an abundant number, since it is smaller than the sum of its proper divisors (9912500022).

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

6681071850 is a wasteful number, since it uses less digits than its factorization.

6681071850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65911 (or 65906 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 6681071850 is about 81737.8238638637. The cubic root of 6681071850 is about 1883.4266622157.

The spelling of 6681071850 in words is "six billion, six hundred eighty-one million, seventy-one thousand, eight hundred fifty".