6716797668 has 120 divisors (see below), whose sum is σ = 20091056832. Its totient is φ = 1916830656.

The previous prime is 6716797651. The next prime is 6716797669. The reversal of 6716797668 is 8667976176.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (6716797669) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3362446 + ... + 3364442.

Almost surely, 2^6716797668 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 6716797668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10045528416).

6716797668 is an abundant number, since it is smaller than the sum of its proper divisors (13374259164).

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

6716797668 is a wasteful number, since it uses less digits than its factorization.

6716797668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503 (or 3492 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 63.

The square root of 6716797668 is about 81956.0715749602. The cubic root of 6716797668 is about 1886.7777900866. Note that the first 4 decimals are identical.

The spelling of 6716797668 in words is "six billion, seven hundred sixteen million, seven hundred ninety-seven thousand, six hundred sixty-eight".