50660043161 has 12 divisors (see below), whose sum is σ = 62693410752. Its totient is φ = 40082670576.

The previous prime is 50660043157. The next prime is 50660043191. The reversal of 50660043161 is 16134006605.

It is not a de Polignac number, because 50660043161 - 2² = 50660043157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50660043191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21410501 + ... + 21412866.

It is an arithmetic number, because the mean of its divisors is an integer number (5224450896).

Almost surely, 2^50660043161 is an apocalyptic number.

It is an amenable number.

50660043161 is a deficient number, since it is larger than the sum of its proper divisors (12033367591).

50660043161 is a wasteful number, since it uses less digits than its factorization.

50660043161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42823400 (or 42823387 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 50660043161 its reverse (16134006605), we get a palindrome (66794049766).

The spelling of 50660043161 in words is "fifty billion, six hundred sixty million, forty-three thousand, one hundred sixty-one".