113205436166 has 16 divisors (see below), whose sum is σ = 173843850048. Its totient is φ = 55258799400.

The previous prime is 113205436163. The next prime is 113205436181. The reversal of 113205436166 is 661634502311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113205436163) 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, 154340 + ... + 500231.

It is an arithmetic number, because the mean of its divisors is an integer number (10865240628).

Almost surely, 2^113205436166 is an apocalyptic number.

113205436166 is a deficient number, since it is larger than the sum of its proper divisors (60638413882).

113205436166 is a wasteful number, since it uses less digits than its factorization.

113205436166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656627.

The product of its (nonzero) digits is 77760, while the sum is 38.

Adding to 113205436166 its reverse (661634502311), we get a palindrome (774839938477).

The spelling of 113205436166 in words is "one hundred thirteen billion, two hundred five million, four hundred thirty-six thousand, one hundred sixty-six".