108617818 has 8 divisors (see below), whose sum is σ = 168544980. Its totient is φ = 52436160.

The previous prime is 108617809. The next prime is 108617827. The reversal of 108617818 is 818716801.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (108617809) and next prime (108617827).

It can be written as a sum of positive squares in 2 ways, for example, as 106564329 + 2053489 = 10323^2 + 1433^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×108617818² = 23595660774162248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 936303 + ... + 936418.

Almost surely, 2^108617818 is an apocalyptic number.

108617818 is a deficient number, since it is larger than the sum of its proper divisors (59927162).

108617818 is a wasteful number, since it uses less digits than its factorization.

108617818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872752.

The product of its (nonzero) digits is 21504, while the sum is 40.

The square root of 108617818 is about 10421.9872385261. The cubic root of 108617818 is about 477.1266681578.

The spelling of 108617818 in words is "one hundred eight million, six hundred seventeen thousand, eight hundred eighteen".