113606663 has 4 divisors (see below), whose sum is σ = 113678880. Its totient is φ = 113534448.

The previous prime is 113606657. The next prime is 113606743. The reversal of 113606663 is 366606311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366606311 = 19 ⋅19295069.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113606663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113656663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33695 + ... + 36912.

It is an arithmetic number, because the mean of its divisors is an integer number (28419720).

Almost surely, 2^113606663 is an apocalyptic number.

113606663 is a deficient number, since it is larger than the sum of its proper divisors (72217).

113606663 is an equidigital number, since it uses as much as digits as its factorization.

113606663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72216.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 113606663 is about 10658.6426434138. The cubic root of 113606663 is about 484.3224506460.

The spelling of 113606663 in words is "one hundred thirteen million, six hundred six thousand, six hundred sixty-three".