109642655 has 8 divisors (see below), whose sum is σ = 135127392. Its totient is φ = 85343328.

The previous prime is 109642583. The next prime is 109642667. The reversal of 109642655 is 556246901.

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

It is a cyclic number.

It is not a de Polignac number, because 109642655 - 2¹⁶ = 109577119 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 296147 + ... + 296516.

It is an arithmetic number, because the mean of its divisors is an integer number (16890924).

Almost surely, 2^109642655 is an apocalyptic number.

109642655 is a deficient number, since it is larger than the sum of its proper divisors (25484737).

109642655 is an equidigital number, since it uses as much as digits as its factorization.

109642655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592705.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 109642655 is about 10471.0388691858. The cubic root of 109642655 is about 478.6225774183.

The spelling of 109642655 in words is "one hundred nine million, six hundred forty-two thousand, six hundred fifty-five".