506461064643636 has 24 divisors (see below), whose sum is σ = 1222492225002720. Its totient is φ = 162998963333472.

The previous prime is 506461064643557. The next prime is 506461064643679. The reversal of 506461064643636 is 636346460164605.

It is a self number, because there is not a number n which added to its sum of digits gives 506461064643636.

It is a congruent number.

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, 727673943106 + ... + 727673943801.

It is an arithmetic number, because the mean of its divisors is an integer number (50937176041780).

Almost surely, 2^{506461064643636} is an apocalyptic number.

It is an amenable number.

506461064643636 is an abundant number, since it is smaller than the sum of its proper divisors (716031160359084).

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

506461064643636 is a wasteful number, since it uses less digits than its factorization.

506461064643636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455347886943 (or 1455347886941 counting only the distinct ones).

The product of its (nonzero) digits is 134369280, while the sum is 60.

The spelling of 506461064643636 in words is "five hundred six trillion, four hundred sixty-one billion, sixty-four million, six hundred forty-three thousand, six hundred thirty-six".