108321365880 has 768 divisors, whose sum is σ = 476195328000. Its totient is φ = 21649130496.

The previous prime is 108321365863. The next prime is 108321365881. The reversal of 108321365880 is 88563123801.

108321365880 is a `hidden beast` number, since 1 + 0 + 8 + 32 + 1 + 36 + 588 + 0 = 666.

It is a super-2 number, since 2×108321365880² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108321365881) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 13067097 + ... + 13075383.

It is an arithmetic number, because the mean of its divisors is an integer number (620046000).

Almost surely, 2^108321365880 is an apocalyptic number.

108321365880 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 108321365880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238097664000).

108321365880 is an abundant number, since it is smaller than the sum of its proper divisors (367873962120).

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

108321365880 is a wasteful number, since it uses less digits than its factorization.

108321365880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8353 (or 8336 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 108321365880 in words is "one hundred eight billion, three hundred twenty-one million, three hundred sixty-five thousand, eight hundred eighty".