106656243 has 8 divisors (see below), whose sum is σ = 144539856. Its totient is φ = 69938400.

The previous prime is 106656233. The next prime is 106656257. The reversal of 106656243 is 342656601.

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

It is not a de Polignac number, because 106656243 - 2⁴ = 106656227 is a prime.

It is a super-2 number, since 2×106656243² = 22751108341750098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106656203) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 291228 + ... + 291593.

It is an arithmetic number, because the mean of its divisors is an integer number (18067482).

Almost surely, 2^106656243 is an apocalyptic number.

106656243 is a deficient number, since it is larger than the sum of its proper divisors (37883613).

106656243 is an equidigital number, since it uses as much as digits as its factorization.

106656243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582885.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 106656243 is about 10327.4509439648. The cubic root of 106656243 is about 474.2369918162.

The spelling of 106656243 in words is "one hundred six million, six hundred fifty-six thousand, two hundred forty-three".