6672912171 has 8 divisors (see below), whose sum is σ = 8919628944. Its totient is φ = 4437401760.

The previous prime is 6672912163. The next prime is 6672912193. The reversal of 6672912171 is 1712192766.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6672912171 - 2³ = 6672912163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6672919171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2800200 + ... + 2802581.

It is an arithmetic number, because the mean of its divisors is an integer number (1114953618).

Almost surely, 2^6672912171 is an apocalyptic number.

6672912171 is a deficient number, since it is larger than the sum of its proper divisors (2246716773).

6672912171 is a wasteful number, since it uses less digits than its factorization.

6672912171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5603181.

The product of its digits is 63504, while the sum is 42.

The square root of 6672912171 is about 81687.8948865742. The cubic root of 6672912171 is about 1882.6595987854.

The spelling of 6672912171 in words is "six billion, six hundred seventy-two million, nine hundred twelve thousand, one hundred seventy-one".