6163689681 has 8 divisors (see below), whose sum is σ = 9131392160. Its totient is φ = 4109126436.

The previous prime is 6163689671. The next prime is 6163689709. The reversal of 6163689681 is 1869863616.

It is not a de Polignac number, because 6163689681 - 2¹¹ = 6163687633 is a prime.

It is a super-2 number, since 2×6163689681² = 75982140967331763522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6163689611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114142375 + ... + 114142428.

It is an arithmetic number, because the mean of its divisors is an integer number (1141424020).

Almost surely, 2^6163689681 is an apocalyptic number.

It is an amenable number.

6163689681 is a deficient number, since it is larger than the sum of its proper divisors (2967702479).

6163689681 is a wasteful number, since it uses less digits than its factorization.

6163689681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228284812 (or 228284806 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 6163689681 is about 78509.1694071463. The cubic root of 6163689681 is about 1833.4972172580.

The spelling of 6163689681 in words is "six billion, one hundred sixty-three million, six hundred eighty-nine thousand, six hundred eighty-one".