8671969168 has 20 divisors (see below), whose sum is σ = 16975159180. Its totient is φ = 4291282944.

The previous prime is 8671969157. The next prime is 8671969213. The reversal of 8671969168 is 8619691768.

It can be written as a sum of positive squares in 2 ways, for example, as 5817417984 + 2854551184 = 76272^2 + 53428^2 .

It is a super-2 number, since 2×8671969168² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2792253 + ... + 2795356.

It is an arithmetic number, because the mean of its divisors is an integer number (848757959).

Almost surely, 2^8671969168 is an apocalyptic number.

It is an amenable number.

8671969168 is a deficient number, since it is larger than the sum of its proper divisors (8303190012).

8671969168 is a wasteful number, since it uses less digits than its factorization.

8671969168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5587714 (or 5587708 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 61.

The square root of 8671969168 is about 93123.4082709605. The cubic root of 8671969168 is about 2054.4988777752.

It can be divided in two parts, 8 and 671969168, that added together give a palindrome (671969176).

The spelling of 8671969168 in words is "eight billion, six hundred seventy-one million, nine hundred sixty-nine thousand, one hundred sixty-eight".