500500560664 has 32 divisors (see below), whose sum is σ = 1027193786640. Its totient is φ = 227213366400.

The previous prime is 500500560661. The next prime is 500500560713. The reversal of 500500560664 is 466065005005.

It is a super-2 number, since 2×500500560664² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500500560661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39440422 + ... + 39453109.

Almost surely, 2^500500560664 is an apocalyptic number.

It is an amenable number.

500500560664 is an abundant number, since it is smaller than the sum of its proper divisors (526693225976).

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

500500560664 is a wasteful number, since it uses less digits than its factorization.

500500560664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78893611 (or 78893607 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 500500560664 its reverse (466065005005), we get a palindrome (966565565669).

The spelling of 500500560664 in words is "five hundred billion, five hundred million, five hundred sixty thousand, six hundred sixty-four".