6791144558472 has 128 divisors (see below), whose sum is σ = 19516321440000. Its totient is φ = 2185483442688.

The previous prime is 6791144558467. The next prime is 6791144558477. The reversal of 6791144558472 is 2748554411976.

It is a happy number.

6791144558472 is a `hidden beast` number, since 6 + 7 + 9 + 1 + 1 + 4 + 4 + 558 + 4 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (6791144558467) and next prime (6791144558477).

It is a super-2 number, since 2×6791144558472² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6791144558477) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97038229 + ... + 97108187.

It is an arithmetic number, because the mean of its divisors is an integer number (152471261250).

Almost surely, 2^{6791144558472} 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 6791144558472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9758160720000).

6791144558472 is an abundant number, since it is smaller than the sum of its proper divisors (12725176881528).

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

6791144558472 is a wasteful number, since it uses less digits than its factorization.

6791144558472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85500 (or 85490 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 63.

The spelling of 6791144558472 in words is "six trillion, seven hundred ninety-one billion, one hundred forty-four million, five hundred fifty-eight thousand, four hundred seventy-two".