6688254108 has 48 divisors (see below), whose sum is σ = 16196906880. Its totient is φ = 2145495744.

The previous prime is 6688254107. The next prime is 6688254143. The reversal of 6688254108 is 8014528866.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6688254103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75535 + ... + 138137.

It is an arithmetic number, because the mean of its divisors is an integer number (337435560).

Almost surely, 2^6688254108 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 6688254108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8098453440).

6688254108 is an abundant number, since it is smaller than the sum of its proper divisors (9508652772).

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

6688254108 is a wasteful number, since it uses less digits than its factorization.

6688254108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62946 (or 62944 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The square root of 6688254108 is about 81781.7467898553. The cubic root of 6688254108 is about 1884.1013250079.

The spelling of 6688254108 in words is "six billion, six hundred eighty-eight million, two hundred fifty-four thousand, one hundred eight".