108681426 has 80 divisors (see below), whose sum is σ = 280177920. Its totient is φ = 30844800.

The previous prime is 108681421. The next prime is 108681427. The reversal of 108681426 is 624186801.

It is not an unprimeable number, because it can be changed into a prime (108681421) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 270826 + ... + 271226.

It is an arithmetic number, because the mean of its divisors is an integer number (3502224).

Almost surely, 2^108681426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108681426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140088960).

108681426 is an abundant number, since it is smaller than the sum of its proper divisors (171496494).

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

108681426 is a wasteful number, since it uses less digits than its factorization.

108681426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 108681426 is about 10425.0384171954. The cubic root of 108681426 is about 477.2197871669.

The spelling of 108681426 in words is "one hundred eight million, six hundred eighty-one thousand, four hundred twenty-six".