113641613566 has 16 divisors (see below), whose sum is σ = 194373439344. Its totient is φ = 49364682624.

The previous prime is 113641613563. The next prime is 113641613627. The reversal of 113641613566 is 665316146311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113641613563) 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, 128553420 + ... + 128554303.

It is an arithmetic number, because the mean of its divisors is an integer number (12148339959).

Almost surely, 2^113641613566 is an apocalyptic number.

113641613566 is a deficient number, since it is larger than the sum of its proper divisors (80731825778).

113641613566 is a wasteful number, since it uses less digits than its factorization.

113641613566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257107755.

The product of its digits is 233280, while the sum is 43.

Adding to 113641613566 its reverse (665316146311), we get a palindrome (778957759877).

The spelling of 113641613566 in words is "one hundred thirteen billion, six hundred forty-one million, six hundred thirteen thousand, five hundred sixty-six".