168460552517 has 2 divisors, whose sum is σ = 168460552518. Its totient is φ = 168460552516.

The previous prime is 168460552499. The next prime is 168460552529. The reversal of 168460552517 is 715255064861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160256903041 + 8203649476 = 400321^2 + 90574^2 .

It is a cyclic number.

It is not a de Polignac number, because 168460552517 - 2²⁰ = 168459503941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168460552597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84230276258 + 84230276259.

It is an arithmetic number, because the mean of its divisors is an integer number (84230276259).

Almost surely, 2^168460552517 is an apocalyptic number.

It is an amenable number.

168460552517 is a deficient number, since it is larger than the sum of its proper divisors (1).

168460552517 is an equidigital number, since it uses as much as digits as its factorization.

168460552517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016000, while the sum is 50.

The spelling of 168460552517 in words is "one hundred sixty-eight billion, four hundred sixty million, five hundred fifty-two thousand, five hundred seventeen".