6687441068 has 72 divisors (see below), whose sum is σ = 14731399200. Its totient is φ = 2600167680.

The previous prime is 6687441067. The next prime is 6687441091. The reversal of 6687441068 is 8601447866.

It is not an unprimeable number, because it can be changed into a prime (6687441067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1926038 + ... + 1929506.

Almost surely, 2^6687441068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6687441068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7365699600).

6687441068 is an abundant number, since it is smaller than the sum of its proper divisors (8043958132).

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

6687441068 is a wasteful number, since it uses less digits than its factorization.

6687441068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071 (or 4058 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 50.

The square root of 6687441068 is about 81776.7758474250. The cubic root of 6687441068 is about 1884.0249766419.

The spelling of 6687441068 in words is "six billion, six hundred eighty-seven million, four hundred forty-one thousand, sixty-eight".