115666110160 has 40 divisors (see below), whose sum is σ = 269018234856. Its totient is φ = 46250181120.

The previous prime is 115666110143. The next prime is 115666110163. The reversal of 115666110160 is 61011666511.

It can be written as a sum of positive squares in 4 ways, for example, as 6306265744 + 109359844416 = 79412^2 + 330696^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115666110163) 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, 23799 + ... + 481558.

Almost surely, 2^115666110160 is an apocalyptic number.

115666110160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115666110160 is an abundant number, since it is smaller than the sum of its proper divisors (153352124696).

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

115666110160 is a wasteful number, since it uses less digits than its factorization.

115666110160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508231 (or 508225 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

Adding to 115666110160 its reverse (61011666511), we get a palindrome (176677776671).

The spelling of 115666110160 in words is "one hundred fifteen billion, six hundred sixty-six million, one hundred ten thousand, one hundred sixty".