108185816 has 8 divisors (see below), whose sum is σ = 202848420. Its totient is φ = 54092904.

The previous prime is 108185809. The next prime is 108185827. The reversal of 108185816 is 618581801.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 108185816.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 6761606 + ... + 6761621.

Almost surely, 2^108185816 is an apocalyptic number.

It is an amenable number.

108185816 is a deficient number, since it is larger than the sum of its proper divisors (94662604).

108185816 is a wasteful number, since it uses less digits than its factorization.

108185816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13523233 (or 13523229 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 38.

The square root of 108185816 is about 10401.2410797943. The cubic root of 108185816 is about 476.4932743973.

The spelling of 108185816 in words is "one hundred eight million, one hundred eighty-five thousand, eight hundred sixteen".