108168786 has 48 divisors (see below), whose sum is σ = 269137440. Its totient is φ = 31052160.

The previous prime is 108168757. The next prime is 108168787. The reversal of 108168786 is 687861801.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (108168787) 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, 10615 + ... + 18138.

It is an arithmetic number, because the mean of its divisors is an integer number (5607030).

Almost surely, 2^108168786 is an apocalyptic number.

108168786 is an abundant number, since it is smaller than the sum of its proper divisors (160968654).

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

108168786 is a wasteful number, since it uses less digits than its factorization.

108168786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28791 (or 28788 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 108168786 is about 10400.4223952684. The cubic root of 108168786 is about 476.4682707921.

The spelling of 108168786 in words is "one hundred eight million, one hundred sixty-eight thousand, seven hundred eighty-six".