108816635 has 4 divisors (see below), whose sum is σ = 130579968. Its totient is φ = 87053304.

The previous prime is 108816599. The next prime is 108816649. The reversal of 108816635 is 536618801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 536618801 = 43 ⋅12479507.

It is a cyclic number.

It is not a de Polignac number, because 108816635 - 2⁶ = 108816571 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10881659 + ... + 10881668.

It is an arithmetic number, because the mean of its divisors is an integer number (32644992).

Almost surely, 2^108816635 is an apocalyptic number.

108816635 is a deficient number, since it is larger than the sum of its proper divisors (21763333).

108816635 is an equidigital number, since it uses as much as digits as its factorization.

108816635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21763332.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 108816635 is about 10431.5212217586. The cubic root of 108816635 is about 477.4176059145.

The spelling of 108816635 in words is "one hundred eight million, eight hundred sixteen thousand, six hundred thirty-five".