108517668 has 24 divisors (see below), whose sum is σ = 289380672. Its totient is φ = 31005024.

The previous prime is 108517663. The next prime is 108517679. The reversal of 108517668 is 866715801.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (108517663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645855 + ... + 646022.

It is an arithmetic number, because the mean of its divisors is an integer number (12057528).

Almost surely, 2^108517668 is an apocalyptic number.

It is an amenable number.

108517668 is an abundant number, since it is smaller than the sum of its proper divisors (180863004).

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

108517668 is a wasteful number, since it uses less digits than its factorization.

108517668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291891 (or 1291889 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 108517668 is about 10417.1813846165. The cubic root of 108517668 is about 476.9799797336.

The spelling of 108517668 in words is "one hundred eight million, five hundred seventeen thousand, six hundred sixty-eight".