6682681854 has 48 divisors (see below), whose sum is σ = 14571228672. Its totient is φ = 2213435904.

The previous prime is 6682681847. The next prime is 6682681879. The reversal of 6682681854 is 4581862866.

It is a self number, because there is not a number n which added to its sum of digits gives 6682681854.

It is a congruent number.

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, 2485699 + ... + 2488385.

It is an arithmetic number, because the mean of its divisors is an integer number (303567264).

Almost surely, 2^6682681854 is an apocalyptic number.

6682681854 is an abundant number, since it is smaller than the sum of its proper divisors (7888546818).

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

6682681854 is a wasteful number, since it uses less digits than its factorization.

6682681854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521 (or 3518 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The square root of 6682681854 is about 81747.6718567569. The cubic root of 6682681854 is about 1883.5779393852.

The spelling of 6682681854 in words is "six billion, six hundred eighty-two million, six hundred eighty-one thousand, eight hundred fifty-four".