503604272164 has 12 divisors (see below), whose sum is σ = 1007208544384. Its totient is φ = 215830402344.

The previous prime is 503604272123. The next prime is 503604272173. The reversal of 503604272164 is 461272406305.

503604272164 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8992933404 + ... + 8992933459.

Almost surely, 2^503604272164 is an apocalyptic number.

It is an amenable number.

503604272164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503604272164 is a wasteful number, since it uses less digits than its factorization.

503604272164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17985866874 (or 17985866872 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

Adding to 503604272164 its reverse (461272406305), we get a palindrome (964876678469).

The spelling of 503604272164 in words is "five hundred three billion, six hundred four million, two hundred seventy-two thousand, one hundred sixty-four".