6681308005 has 8 divisors (see below), whose sum is σ = 8137235232. Its totient is φ = 5265269328.

The previous prime is 6681307951. The next prime is 6681308027. The reversal of 6681308005 is 5008031866.

6681308005 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 6681308005 - 2¹¹ = 6681305957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9971767 + ... + 9972436.

It is an arithmetic number, because the mean of its divisors is an integer number (1017154404).

Almost surely, 2^6681308005 is an apocalyptic number.

It is an amenable number.

6681308005 is a deficient number, since it is larger than the sum of its proper divisors (1455927227).

6681308005 is a wasteful number, since it uses less digits than its factorization.

6681308005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19944275.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 6681308005 is about 81739.2684393493. The cubic root of 6681308005 is about 1883.4488530354.

The spelling of 6681308005 in words is "six billion, six hundred eighty-one million, three hundred eight thousand, five".