108721662160 has 80 divisors (see below), whose sum is σ = 254983680000. Its totient is φ = 43109756928.

The previous prime is 108721662149. The next prime is 108721662169. The reversal of 108721662160 is 61266127801.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108721662169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14210016 + ... + 14217664.

It is an arithmetic number, because the mean of its divisors is an integer number (3187296000).

Almost surely, 2^108721662160 is an apocalyptic number.

108721662160 is a gapful number since it is divisible by the number (10) 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 108721662160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127491840000).

108721662160 is an abundant number, since it is smaller than the sum of its proper divisors (146262017840).

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

108721662160 is a wasteful number, since it uses less digits than its factorization.

108721662160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9188 (or 9182 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

Adding to 108721662160 its reverse (61266127801), we get a palindrome (169987789961).

The spelling of 108721662160 in words is "one hundred eight billion, seven hundred twenty-one million, six hundred sixty-two thousand, one hundred sixty".