500610561066 has 96 divisors (see below), whose sum is σ = 1354146288768. Its totient is φ = 129851061120.

The previous prime is 500610561047. The next prime is 500610561067. The reversal of 500610561066 is 660165016005.

It is a super-2 number, since 2×500610561066² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 500610561066.

It is not an unprimeable number, because it can be changed into a prime (500610561067) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 769560 + ... + 1262316.

It is an arithmetic number, because the mean of its divisors is an integer number (14105690508).

Almost surely, 2^500610561066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500610561066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677073144384).

500610561066 is an abundant number, since it is smaller than the sum of its proper divisors (853535727702).

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

500610561066 is a wasteful number, since it uses less digits than its factorization.

500610561066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493516 (or 493513 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 500610561066 in words is "five hundred billion, six hundred ten million, five hundred sixty-one thousand, sixty-six".