315266663062161 has 24 divisors (see below), whose sum is σ = 456932273676840. Its totient is φ = 209464053025536.

The previous prime is 315266663062157. The next prime is 315266663062163. The reversal of 315266663062161 is 161260366662513.

It can be written as a sum of positive squares in 4 ways, for example, as 31690493383761 + 283576169678400 = 5629431^2 + 16839720^2 .

It is not a de Polignac number, because 315266663062161 - 2² = 315266663062157 is a prime.

It is a super-3 number, since 3×315266663062161³ (a number of 44 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 315266663062098 and 315266663062107.

It is not an unprimeable number, because it can be changed into a prime (315266663062163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1576996 + ... + 25159893.

It is an arithmetic number, because the mean of its divisors is an integer number (19038844736535).

Almost surely, 2^{315266663062161} is an apocalyptic number.

It is an amenable number.

315266663062161 is a deficient number, since it is larger than the sum of its proper divisors (141665610614679).

315266663062161 is a wasteful number, since it uses less digits than its factorization.

315266663062161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26741345 (or 26741342 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 54.

The spelling of 315266663062161 in words is "three hundred fifteen trillion, two hundred sixty-six billion, six hundred sixty-three million, sixty-two thousand, one hundred sixty-one".