6881641161 has 32 divisors (see below), whose sum is σ = 9428357760. Its totient is φ = 4463424000.

The previous prime is 6881641097. The next prime is 6881641163. The reversal of 6881641161 is 1611461886.

It is not a de Polignac number, because 6881641161 - 2⁶ = 6881641097 is a prime.

It is a super-3 number, since 3×6881641161³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (6881641163) 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, 9311730 + ... + 9312468.

It is an arithmetic number, because the mean of its divisors is an integer number (294636180).

Almost surely, 2^6881641161 is an apocalyptic number.

It is an amenable number.

6881641161 is a deficient number, since it is larger than the sum of its proper divisors (2546716599).

6881641161 is a wasteful number, since it uses less digits than its factorization.

6881641161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337.

The product of its digits is 55296, while the sum is 42.

The square root of 6881641161 is about 82955.6577998150. The cubic root of 6881641161 is about 1902.0883004801.

The spelling of 6881641161 in words is "six billion, eight hundred eighty-one million, six hundred forty-one thousand, one hundred sixty-one".