109163208 has 128 divisors (see below), whose sum is σ = 358272000. Its totient is φ = 26853120.

The previous prime is 109163203. The next prime is 109163213. The reversal of 109163208 is 802361901.

It is an interprime number because it is at equal distance from previous prime (109163203) and next prime (109163213).

It is not an unprimeable number, because it can be changed into a prime (109163203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33558 + ... + 36666.

It is an arithmetic number, because the mean of its divisors is an integer number (2799000).

Almost surely, 2^109163208 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 109163208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179136000).

109163208 is an abundant number, since it is smaller than the sum of its proper divisors (249108792).

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

109163208 is a wasteful number, since it uses less digits than its factorization.

109163208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155 (or 3151 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 109163208 is about 10448.1198308595. The cubic root of 109163208 is about 477.9239154590.

The spelling of 109163208 in words is "one hundred nine million, one hundred sixty-three thousand, two hundred eight".