108169908 has 96 divisors (see below), whose sum is σ = 317011968. Its totient is φ = 27888000.

The previous prime is 108169903. The next prime is 108169909. The reversal of 108169908 is 809961801.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 108169908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108169903) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 153958 + ... + 154658.

It is an arithmetic number, because the mean of its divisors is an integer number (3302208).

Almost surely, 2^108169908 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 108169908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158505984).

108169908 is an abundant number, since it is smaller than the sum of its proper divisors (208842060).

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

108169908 is a wasteful number, since it uses less digits than its factorization.

108169908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 108169908 is about 10400.4763352454. The cubic root of 108169908 is about 476.4699182038.

The spelling of 108169908 in words is "one hundred eight million, one hundred sixty-nine thousand, nine hundred eight".