108991600 has 60 divisors (see below), whose sum is σ = 275653240. Its totient is φ = 41299200.

The previous prime is 108991579. The next prime is 108991601. The reversal of 108991600 is 6199801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108991601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 430 + ... + 14770.

Almost surely, 2^108991600 is an apocalyptic number.

108991600 is a gapful number since it is divisible by the number (10) 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 108991600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137826620).

108991600 is an abundant number, since it is smaller than the sum of its proper divisors (166661640).

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

108991600 is a wasteful number, since it uses less digits than its factorization.

108991600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14378 (or 14367 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 108991600 is about 10439.9042141200. The cubic root of 108991600 is about 477.6733469651.

The spelling of 108991600 in words is "one hundred eight million, nine hundred ninety-one thousand, six hundred".