108106973172 has 144 divisors (see below), whose sum is σ = 316386749952. Its totient is φ = 30760611840.

The previous prime is 108106973123. The next prime is 108106973173. The reversal of 108106973172 is 271379601801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108106973173) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2896413 + ... + 2933499.

It is an arithmetic number, because the mean of its divisors is an integer number (2197130208).

Almost surely, 2^108106973172 is an apocalyptic number.

108106973172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108106973172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158193374976).

108106973172 is an abundant number, since it is smaller than the sum of its proper divisors (208279776780).

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

108106973172 is a wasteful number, since it uses less digits than its factorization.

108106973172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37558 (or 37553 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The spelling of 108106973172 in words is "one hundred eight billion, one hundred six million, nine hundred seventy-three thousand, one hundred seventy-two".