501716226161230 has 16 divisors (see below), whose sum is σ = 903101476482144. Its totient is φ = 200683763932960.

The previous prime is 501716226161191. The next prime is 501716226161233. The reversal of 501716226161230 is 32161622617105.

It is a super-2 number, since 2×501716226161230² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501716226161233) 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, 340043506 + ... + 341515765.

It is an arithmetic number, because the mean of its divisors is an integer number (56443842280134).

Almost surely, 2^{501716226161230} is an apocalyptic number.

501716226161230 is a deficient number, since it is larger than the sum of its proper divisors (401385250320914).

501716226161230 is a wasteful number, since it uses less digits than its factorization.

501716226161230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681632891.

The product of its (nonzero) digits is 181440, while the sum is 43.

Adding to 501716226161230 its reverse (32161622617105), we get a palindrome (533877848778335).

The spelling of 501716226161230 in words is "five hundred one trillion, seven hundred sixteen billion, two hundred twenty-six million, one hundred sixty-one thousand, two hundred thirty".