504661161 has 16 divisors (see below), whose sum is σ = 707889600. Its totient is φ = 319330368.

The previous prime is 504661159. The next prime is 504661181. The reversal of 504661161 is 161166405.

It is not a de Polignac number, because 504661161 - 2¹ = 504661159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (504661111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44026 + ... + 54291.

It is an arithmetic number, because the mean of its divisors is an integer number (44243100).

Almost surely, 2^504661161 is an apocalyptic number.

It is an amenable number.

504661161 is a deficient number, since it is larger than the sum of its proper divisors (203228439).

504661161 is a wasteful number, since it uses less digits than its factorization.

504661161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98408.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 504661161 is about 22464.6647204003. The cubic root of 504661161 is about 796.1592786026.

The spelling of 504661161 in words is "five hundred four million, six hundred sixty-one thousand, one hundred sixty-one".