6671255358891 has 8 divisors (see below), whose sum is σ = 8899946079184. Its totient is φ = 4445034105600.

The previous prime is 6671255358877. The next prime is 6671255358949. The reversal of 6671255358891 is 1988535521766.

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

It is not a de Polignac number, because 6671255358891 - 2¹⁵ = 6671255326123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6671255358811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617360446 + ... + 617371251.

It is an arithmetic number, because the mean of its divisors is an integer number (1112493259898).

Almost surely, 2^{6671255358891} is an apocalyptic number.

6671255358891 is a deficient number, since it is larger than the sum of its proper divisors (2228690720293).

6671255358891 is a wasteful number, since it uses less digits than its factorization.

6671255358891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234733501.

The product of its digits is 108864000, while the sum is 66.

The spelling of 6671255358891 in words is "six trillion, six hundred seventy-one billion, two hundred fifty-five million, three hundred fifty-eight thousand, eight hundred ninety-one".