8163237316968 has 48 divisors (see below), whose sum is σ = 22112482781220. Its totient is φ = 2720621869056.

The previous prime is 8163237316933. The next prime is 8163237316981. The reversal of 8163237316968 is 8696137323618.

8163237316968 is a `hidden beast` number, since 8 + 16 + 32 + 373 + 169 + 68 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4932583367364 + 3230653949604 = 2220942^2 + 1797402^2 .

It is a super-2 number, since 2×8163237316968² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9094171 + ... + 9951402.

Almost surely, 2^{8163237316968} is an apocalyptic number.

It is an amenable number.

8163237316968 is an abundant number, since it is smaller than the sum of its proper divisors (13949245464252).

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

8163237316968 is a wasteful number, since it uses less digits than its factorization.

8163237316968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19051538 (or 19051531 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 63.

The spelling of 8163237316968 in words is "eight trillion, one hundred sixty-three billion, two hundred thirty-seven million, three hundred sixteen thousand, nine hundred sixty-eight".