522771979161 has 16 divisors (see below), whose sum is σ = 721857855488. Its totient is φ = 336173619600.

The previous prime is 522771979097. The next prime is 522771979183. The reversal of 522771979161 is 161979177225.

It is not a de Polignac number, because 522771979161 - 2⁶ = 522771979097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522771979361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9126505 + ... + 9183606.

It is an arithmetic number, because the mean of its divisors is an integer number (45116115968).

Almost surely, 2^522771979161 is an apocalyptic number.

It is an amenable number.

522771979161 is a deficient number, since it is larger than the sum of its proper divisors (199085876327).

522771979161 is a wasteful number, since it uses less digits than its factorization.

522771979161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18310452.

The product of its digits is 3333960, while the sum is 57.

The spelling of 522771979161 in words is "five hundred twenty-two billion, seven hundred seventy-one million, nine hundred seventy-nine thousand, one hundred sixty-one".