504161636 has 24 divisors (see below), whose sum is σ = 995682240. Its totient is φ = 221261600.

The previous prime is 504161629. The next prime is 504161641. The reversal of 504161636 is 636161405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196280 + ... + 198831.

It is an arithmetic number, because the mean of its divisors is an integer number (41486760).

Almost surely, 2^504161636 is an apocalyptic number.

It is an amenable number.

504161636 is a deficient number, since it is larger than the sum of its proper divisors (491520604).

504161636 is a wasteful number, since it uses less digits than its factorization.

504161636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395155 (or 395153 counting only the distinct ones).

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

The square root of 504161636 is about 22453.5439519021. The cubic root of 504161636 is about 795.8965064137.

The spelling of 504161636 in words is "five hundred four million, one hundred sixty-one thousand, six hundred thirty-six".