108861822720 has 432 divisors, whose sum is σ = 446409600000. Its totient is φ = 24882204672.

The previous prime is 108861822703. The next prime is 108861822749. The reversal of 108861822720 is 27228168801.

It is a happy number.

108861822720 is a `hidden beast` number, since 1 + 0 + 8 + 8 + 618 + 2 + 2 + 7 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2152281 + ... + 2202279.

Almost surely, 2^108861822720 is an apocalyptic number.

108861822720 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 108861822720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223204800000).

108861822720 is an abundant number, since it is smaller than the sum of its proper divisors (337547777280).

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

108861822720 is an frugal number, since it uses more digits than its factorization.

108861822720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50042 (or 50016 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The spelling of 108861822720 in words is "one hundred eight billion, eight hundred sixty-one million, eight hundred twenty-two thousand, seven hundred twenty".