501775730668 has 12 divisors (see below), whose sum is σ = 916286117040. Its totient is φ = 239979697232.

The previous prime is 501775730663. The next prime is 501775730681. The reversal of 501775730668 is 866037577105.

It is not an unprimeable number, because it can be changed into a prime (501775730663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2727041923 + ... + 2727042106.

It is an arithmetic number, because the mean of its divisors is an integer number (76357176420).

Almost surely, 2^501775730668 is an apocalyptic number.

It is an amenable number.

501775730668 is a deficient number, since it is larger than the sum of its proper divisors (414510386372).

501775730668 is a wasteful number, since it uses less digits than its factorization.

501775730668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5454084056 (or 5454084054 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 55.

The spelling of 501775730668 in words is "five hundred one billion, seven hundred seventy-five million, seven hundred thirty thousand, six hundred sixty-eight".