100655 has 8 divisors (see below), whose sum is σ = 123984. Its totient is φ = 78400.

The previous prime is 100649. The next prime is 100669. The reversal of 100655 is 556001.

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

It is not a de Polignac number, because 100655 - 2⁶ = 100591 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 100655.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41 + ... + 450.

It is an arithmetic number, because the mean of its divisors is an integer number (15498).

2¹⁰⁰⁶⁵⁵ is an apocalyptic number.

100655 is a deficient number, since it is larger than the sum of its proper divisors (23329).

100655 is an equidigital number, since it uses as much as digits as its factorization.

100655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 100655 is about 317.2617216117. The cubic root of 100655 is about 46.5170092320.

Adding to 100655 its reverse (556001), we get a palindrome (656656).

The spelling of 100655 in words is "one hundred thousand, six hundred fifty-five".