168675548617 has 2 divisors, whose sum is σ = 168675548618. Its totient is φ = 168675548616.

The previous prime is 168675548597. The next prime is 168675548651. The reversal of 168675548617 is 716845576861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115434139536 + 53241409081 = 339756^2 + 230741^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168675548617 is a prime.

It is a super-3 number, since 3×168675548617³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (168675548677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84337774308 + 84337774309.

It is an arithmetic number, because the mean of its divisors is an integer number (84337774309).

Almost surely, 2^168675548617 is an apocalyptic number.

It is an amenable number.

168675548617 is a deficient number, since it is larger than the sum of its proper divisors (1).

168675548617 is an equidigital number, since it uses as much as digits as its factorization.

168675548617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67737600, while the sum is 64.

The spelling of 168675548617 in words is "one hundred sixty-eight billion, six hundred seventy-five million, five hundred forty-eight thousand, six hundred seventeen".