6881173540 has 96 divisors (see below), whose sum is σ = 15243217920. Its totient is φ = 2605824000.

The previous prime is 6881173499. The next prime is 6881173547. The reversal of 6881173540 is 453711886.

It is a super-2 number, since 2×6881173540² = 94701098575192263200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6881173547) 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, 11449240 + ... + 11449840.

It is an arithmetic number, because the mean of its divisors is an integer number (158783520).

Almost surely, 2^6881173540 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 6881173540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7621608960).

6881173540 is an abundant number, since it is smaller than the sum of its proper divisors (8362044380).

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

6881173540 is a wasteful number, since it uses less digits than its factorization.

6881173540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 6881173540 is about 82952.8392521920. The cubic root of 6881173540 is about 1902.0452159619.

The spelling of 6881173540 in words is "six billion, eight hundred eighty-one million, one hundred seventy-three thousand, five hundred forty".