9159688668 has 48 divisors (see below), whose sum is σ = 23759138816. Its totient is φ = 2727449280.

The previous prime is 9159688649. The next prime is 9159688679. The reversal of 9159688668 is 8668869519.

9159688668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9159688668² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9159688599 and 9159688608.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 942196 + ... + 951867.

Almost surely, 2^9159688668 is an apocalyptic number.

It is an amenable number.

9159688668 is an abundant number, since it is smaller than the sum of its proper divisors (14599450148).

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

9159688668 is a wasteful number, since it uses less digits than its factorization.

9159688668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894114 (or 1894112 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 66.

The square root of 9159688668 is about 95706.2624283281. The cubic root of 9159688668 is about 2092.3142080273.

The spelling of 9159688668 in words is "nine billion, one hundred fifty-nine million, six hundred eighty-eight thousand, six hundred sixty-eight".