108891234816 has 320 divisors, whose sum is σ = 365765089536. Its totient is φ = 28016640000.

The previous prime is 108891234811. The next prime is 108891234817. The reversal of 108891234816 is 618432198801.

It is not an unprimeable number, because it can be changed into a prime (108891234811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5721316 + ... + 5740316.

Almost surely, 2^108891234816 is an apocalyptic number.

108891234816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108891234816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182882544768).

108891234816 is an abundant number, since it is smaller than the sum of its proper divisors (256873854720).

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

108891234816 is a wasteful number, since it uses less digits than its factorization.

108891234816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19083 (or 19067 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 51.

The spelling of 108891234816 in words is "one hundred eight billion, eight hundred ninety-one million, two hundred thirty-four thousand, eight hundred sixteen".