108567149789644 has 144 divisors (see below), whose sum is σ = 244541512008192. Its totient is φ = 41772404878848.

The previous prime is 108567149789641. The next prime is 108567149789767. The reversal of 108567149789644 is 446987941765801.

It is not an unprimeable number, because it can be changed into a prime (108567149789641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 240838549 + ... + 241288915.

Almost surely, 2^{108567149789644} is an apocalyptic number.

108567149789644 is a gapful number since it is divisible by the number (14) 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 108567149789644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122270756004096).

108567149789644 is an abundant number, since it is smaller than the sum of its proper divisors (135974362218548).

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

108567149789644 is a wasteful number, since it uses less digits than its factorization.

108567149789644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452992 (or 452983 counting only the distinct ones).

The product of its (nonzero) digits is 2926264320, while the sum is 79.

The spelling of 108567149789644 in words is "one hundred eight trillion, five hundred sixty-seven billion, one hundred forty-nine million, seven hundred eighty-nine thousand, six hundred forty-four".