501060008660 has 24 divisors (see below), whose sum is σ = 1055047015176. Its totient is φ = 199886670720.

The previous prime is 501060008639. The next prime is 501060008671. The reversal of 501060008660 is 66800060105.

It can be written as a sum of positive squares in 4 ways, for example, as 131575954756 + 369484053904 = 362734^2 + 607852^2 .

It is a super-2 number, since 2×501060008660² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33575651 + ... + 33590570.

It is an arithmetic number, because the mean of its divisors is an integer number (43960292299).

Almost surely, 2^501060008660 is an apocalyptic number.

It is an amenable number.

501060008660 is an abundant number, since it is smaller than the sum of its proper divisors (553987006516).

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

501060008660 is a wasteful number, since it uses less digits than its factorization.

501060008660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67166603 (or 67166601 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 501060008660 its reverse (66800060105), we get a palindrome (567860068765).

The spelling of 501060008660 in words is "five hundred one billion, sixty million, eight thousand, six hundred sixty".