6811541968 has 40 divisors (see below), whose sum is σ = 16453857600. Its totient is φ = 2653847040.

The previous prime is 6811541951. The next prime is 6811541969. The reversal of 6811541968 is 8691451186.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6811541969) 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, 2763193 + ... + 2765656.

It is an arithmetic number, because the mean of its divisors is an integer number (411346440).

Almost surely, 2^6811541968 is an apocalyptic number.

It is an amenable number.

6811541968 is an abundant number, since it is smaller than the sum of its proper divisors (9642315632).

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

6811541968 is a wasteful number, since it uses less digits than its factorization.

6811541968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5528875 (or 5528869 counting only the distinct ones).

The product of its digits is 414720, while the sum is 49.

The square root of 6811541968 is about 82532.0663015291. The cubic root of 6811541968 is about 1895.6077645299.

The spelling of 6811541968 in words is "six billion, eight hundred eleven million, five hundred forty-one thousand, nine hundred sixty-eight".