504368161 has 16 divisors (see below), whose sum is σ = 561512448. Its totient is φ = 449182800.

The previous prime is 504368141. The next prime is 504368177. The reversal of 504368161 is 161863405.

It is a happy number.

It is not a de Polignac number, because 504368161 - 2⁹ = 504367649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504368131) 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, 138976 + ... + 142558.

It is an arithmetic number, because the mean of its divisors is an integer number (35094528).

Almost surely, 2^504368161 is an apocalyptic number.

It is an amenable number.

504368161 is a deficient number, since it is larger than the sum of its proper divisors (57144287).

504368161 is a wasteful number, since it uses less digits than its factorization.

504368161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 504368161 is about 22458.1424209573. The cubic root of 504368161 is about 796.0051687122.

The spelling of 504368161 in words is "five hundred four million, three hundred sixty-eight thousand, one hundred sixty-one".