108191800 has 48 divisors (see below), whose sum is σ = 252606600. Its totient is φ = 43094400.

The previous prime is 108191789. The next prime is 108191807. The reversal of 108191800 is 8191801.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108191807) 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, 52795 + ... + 54805.

Almost surely, 2^108191800 is an apocalyptic number.

108191800 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 108191800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126303300).

108191800 is an abundant number, since it is smaller than the sum of its proper divisors (144414800).

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

108191800 is a wasteful number, since it uses less digits than its factorization.

108191800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296 (or 2287 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 28.

The square root of 108191800 is about 10401.5287337968. The cubic root of 108191800 is about 476.5020595391.

Subtracting from 108191800 its reverse (8191801), we obtain a palindrome (99999999).

The spelling of 108191800 in words is "one hundred eight million, one hundred ninety-one thousand, eight hundred".