505221302112664 has 16 divisors (see below), whose sum is σ = 960266516002920. Its totient is φ = 249150231178560.

The previous prime is 505221302112647. The next prime is 505221302112679. The reversal of 505221302112664 is 466211203122505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432552484102 + ... + 432552485269.

Almost surely, 2^{505221302112664} is an apocalyptic number.

It is an amenable number.

505221302112664 is a deficient number, since it is larger than the sum of its proper divisors (455045213890256).

505221302112664 is a wasteful number, since it uses less digits than its factorization.

505221302112664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865104969450 (or 865104969446 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 505221302112664 in words is "five hundred five trillion, two hundred twenty-one billion, three hundred two million, one hundred twelve thousand, six hundred sixty-four".