108551408 has 80 divisors (see below), whose sum is σ = 261888000. Its totient is φ = 42529536.

The previous prime is 108551381. The next prime is 108551411. The reversal of 108551408 is 804155801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60833 + ... + 62591.

It is an arithmetic number, because the mean of its divisors is an integer number (3273600).

Almost surely, 2^108551408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108551408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130944000).

108551408 is an abundant number, since it is smaller than the sum of its proper divisors (153336592).

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

108551408 is a wasteful number, since it uses less digits than its factorization.

108551408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822 (or 1816 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 108551408 is about 10418.8006987369. The cubic root of 108551408 is about 477.0294083573.

The spelling of 108551408 in words is "one hundred eight million, five hundred fifty-one thousand, four hundred eight".