99171108 has 96 divisors (see below), whose sum is σ = 279552000. Its totient is φ = 30287520.

The previous prime is 99171103. The next prime is 99171119. The reversal of 99171108 is 80117199.

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

It is not an unprimeable number, because it can be changed into a prime (99171103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62833 + ... + 64391.

It is an arithmetic number, because the mean of its divisors is an integer number (2912000).

Almost surely, 2^99171108 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 99171108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139776000).

99171108 is an abundant number, since it is smaller than the sum of its proper divisors (180380892).

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

99171108 is a wasteful number, since it uses less digits than its factorization.

99171108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622 (or 1614 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 36.

The square root of 99171108 is about 9958.4691594642. The cubic root of 99171108 is about 462.8728649372.

It can be divided in two parts, 9917 and 1108, that added together give a square (11025 = 105²).

The spelling of 99171108 in words is "ninety-nine million, one hundred seventy-one thousand, one hundred eight".