116905 has 8 divisors (see below), whose sum is σ = 142272. Its totient is φ = 92208.

The previous prime is 116903. The next prime is 116911. The reversal of 116905 is 509611.

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 116905 - 2¹ = 116903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402 + ... + 628.

It is an arithmetic number, because the mean of its divisors is an integer number (17784).

2¹¹⁶⁹⁰⁵ is an apocalyptic number.

It is an amenable number.

116905 is a deficient number, since it is larger than the sum of its proper divisors (25367).

116905 is a wasteful number, since it uses less digits than its factorization.

116905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 116905 is about 341.9137318096. The cubic root of 116905 is about 48.8964912037.

The spelling of 116905 in words is "one hundred sixteen thousand, nine hundred five".