109803816 has 96 divisors (see below), whose sum is σ = 324192000. Its totient is φ = 34428672.

The previous prime is 109803787. The next prime is 109803823. The reversal of 109803816 is 618308901.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 61545 + ... + 63303.

It is an arithmetic number, because the mean of its divisors is an integer number (3377000).

Almost surely, 2^109803816 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 109803816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162096000).

109803816 is an abundant number, since it is smaller than the sum of its proper divisors (214388184).

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

109803816 is a wasteful number, since it uses less digits than its factorization.

109803816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808 (or 1781 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 109803816 is about 10478.7316026321. The cubic root of 109803816 is about 478.8569677382.

The spelling of 109803816 in words is "one hundred nine million, eight hundred three thousand, eight hundred sixteen".