108656 has 10 divisors (see below), whose sum is σ = 210552. Its totient is φ = 54320.

The previous prime is 108649. The next prime is 108677. The reversal of 108656 is 656801.

It is a super-2 number, since 2×108656² = 23612252672, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3380 + ... + 3411.

2¹⁰⁸⁶⁵⁶ is an apocalyptic number.

108656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

108656 is a deficient number, since it is larger than the sum of its proper divisors (101896).

108656 is an equidigital number, since it uses as much as digits as its factorization.

108656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6799 (or 6793 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 108656 is about 329.6300957134. The cubic root of 108656 is about 47.7182569103.

The spelling of 108656 in words is "one hundred eight thousand, six hundred fifty-six".