113666320 has 40 divisors (see below), whose sum is σ = 264983040. Its totient is φ = 45344640.

The previous prime is 113666281. The next prime is 113666323. The reversal of 113666320 is 23666311.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (113666323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31825 + ... + 35215.

It is an arithmetic number, because the mean of its divisors is an integer number (6624576).

Almost surely, 2^113666320 is an apocalyptic number.

113666320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113666320 is an abundant number, since it is smaller than the sum of its proper divisors (151316720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113666320 is a wasteful number, since it uses less digits than its factorization.

113666320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823 (or 3817 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 113666320 is about 10661.4408031935. The cubic root of 113666320 is about 484.4072114271.

Subtracting from 113666320 its reverse (23666311), we obtain a palindrome (90000009).

The spelling of 113666320 in words is "one hundred thirteen million, six hundred sixty-six thousand, three hundred twenty".