505959910161 has 8 divisors (see below), whose sum is σ = 681292552704. Its totient is φ = 333966937200.

The previous prime is 505959910151. The next prime is 505959910163. The reversal of 505959910161 is 161019959505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505959910161 - 2⁶ = 505959910097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505959910163) 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, 834917041 + ... + 834917646.

It is an arithmetic number, because the mean of its divisors is an integer number (85161569088).

Almost surely, 2^505959910161 is an apocalyptic number.

It is an amenable number.

505959910161 is a deficient number, since it is larger than the sum of its proper divisors (175332642543).

505959910161 is a wasteful number, since it uses less digits than its factorization.

505959910161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669834791.

The product of its (nonzero) digits is 546750, while the sum is 51.

The spelling of 505959910161 in words is "five hundred five billion, nine hundred fifty-nine million, nine hundred ten thousand, one hundred sixty-one".