6716191872 has 128 divisors (see below), whose sum is σ = 19261892160. Its totient is φ = 2061176832.

The previous prime is 6716191871. The next prime is 6716191897. The reversal of 6716191872 is 2781916176.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (6716191871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2209938 + ... + 2212974.

Almost surely, 2^6716191872 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 6716191872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9630946080).

6716191872 is an abundant number, since it is smaller than the sum of its proper divisors (12545700288).

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

6716191872 is a wasteful number, since it uses less digits than its factorization.

6716191872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3510 (or 3498 counting only the distinct ones).

The product of its digits is 254016, while the sum is 48.

The square root of 6716191872 is about 81952.3756336569. The cubic root of 6716191872 is about 1886.7210648007.

The spelling of 6716191872 in words is "six billion, seven hundred sixteen million, one hundred ninety-one thousand, eight hundred seventy-two".