108990654120 has 96 divisors (see below), whose sum is σ = 354670636320. Its totient is φ = 29027168640.

The previous prime is 108990654103. The next prime is 108990654121. The reversal of 108990654120 is 21456099801.

108990654120 is a `hidden beast` number, since 1 + 0 + 89 + 9 + 0 + 6 + 541 + 20 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (108990654121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90975 + ... + 475665.

It is an arithmetic number, because the mean of its divisors is an integer number (3694485795).

Almost surely, 2^108990654120 is an apocalyptic number.

108990654120 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 108990654120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177335318160).

108990654120 is an abundant number, since it is smaller than the sum of its proper divisors (245679982200).

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

108990654120 is a wasteful number, since it uses less digits than its factorization.

108990654120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385495 (or 385488 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 108990654120 in words is "one hundred eight billion, nine hundred ninety million, six hundred fifty-four thousand, one hundred twenty".