108634989568 has 352 divisors, whose sum is σ = 278110070784. Its totient is φ = 41320316928.

The previous prime is 108634989539. The next prime is 108634989569. The reversal of 108634989568 is 865989436801.

It is a super-3 number, since 3×108634989568³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (108634989569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232622871 + ... + 232623337.

Almost surely, 2^108634989568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108634989568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139055035392).

108634989568 is an abundant number, since it is smaller than the sum of its proper divisors (169475081216).

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

108634989568 is a wasteful number, since it uses less digits than its factorization.

108634989568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 67.

The spelling of 108634989568 in words is "one hundred eight billion, six hundred thirty-four million, nine hundred eighty-nine thousand, five hundred sixty-eight".