6371997696 has 144 divisors (see below), whose sum is σ = 18466582680. Its totient is φ = 2116730880.

The previous prime is 6371997679. The next prime is 6371997707. The reversal of 6371997696 is 6967991736.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9639606 + ... + 9640266.

Almost surely, 2^6371997696 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 6371997696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9233291340).

6371997696 is an abundant number, since it is smaller than the sum of its proper divisors (12094584984).

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

6371997696 is a wasteful number, since it uses less digits than its factorization.

6371997696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212 (or 1189 counting only the distinct ones).

The product of its digits is 23147208, while the sum is 63.

The square root of 6371997696 is about 79824.7937422954. The cubic root of 6371997696 is about 1853.9237583112.

The spelling of 6371997696 in words is "six billion, three hundred seventy-one million, nine hundred ninety-seven thousand, six hundred ninety-six".