52220166612 has 24 divisors (see below), whose sum is σ = 121851842112. Its totient is φ = 17406038400.

The previous prime is 52220166587. The next prime is 52220166613. The reversal of 52220166612 is 21666102225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52220166613) 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, 303537 + ... + 443367.

It is an arithmetic number, because the mean of its divisors is an integer number (5077160088).

Almost surely, 2^52220166612 is an apocalyptic number.

It is an amenable number.

52220166612 is an abundant number, since it is smaller than the sum of its proper divisors (69631675500).

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

52220166612 is a wasteful number, since it uses less digits than its factorization.

52220166612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170959 (or 170957 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 52220166612 its reverse (21666102225), we get a palindrome (73886268837).

The spelling of 52220166612 in words is "fifty-two billion, two hundred twenty million, one hundred sixty-six thousand, six hundred twelve".