113666205 has 16 divisors (see below), whose sum is σ = 182226240. Its totient is φ = 60501888.

The previous prime is 113666173. The next prime is 113666209. The reversal of 113666205 is 502666311.

It is not a de Polignac number, because 113666205 - 2⁵ = 113666173 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113666209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 601 + ... + 15089.

It is an arithmetic number, because the mean of its divisors is an integer number (11389140).

Almost surely, 2^113666205 is an apocalyptic number.

113666205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113666205 is a deficient number, since it is larger than the sum of its proper divisors (68560035).

113666205 is a wasteful number, since it uses less digits than its factorization.

113666205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15020.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 113666205 is about 10661.4354099249. The cubic root of 113666205 is about 484.4070480634.

It can be divided in two parts, 11366 and 6205, that added together give a palindrome (17571).

The spelling of 113666205 in words is "one hundred thirteen million, six hundred sixty-six thousand, two hundred five".