500660750681 has 48 divisors (see below), whose sum is σ = 656428320000. Its totient is φ = 372599046144.

The previous prime is 500660750663. The next prime is 500660750687. The reversal of 500660750681 is 186057066005.

It is not a de Polignac number, because 500660750681 - 2³⁰ = 499587008857 is a prime.

It is a super-2 number, since 2×500660750681² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500660750687) 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 47 ways as a sum of consecutive naturals, for example, 37781945 + ... + 37795193.

It is an arithmetic number, because the mean of its divisors is an integer number (13675590000).

Almost surely, 2^500660750681 is an apocalyptic number.

It is an amenable number.

500660750681 is a deficient number, since it is larger than the sum of its proper divisors (155767569319).

500660750681 is a wasteful number, since it uses less digits than its factorization.

500660750681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15178 (or 15165 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 500660750681 in words is "five hundred billion, six hundred sixty million, seven hundred fifty thousand, six hundred eighty-one".