168346014593 has 2 divisors, whose sum is σ = 168346014594. Its totient is φ = 168346014592.

The previous prime is 168346014589. The next prime is 168346014649. The reversal of 168346014593 is 395410643861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168208257424 + 137757169 = 410132^2 + 11737^2 .

It is a cyclic number.

It is not a de Polignac number, because 168346014593 - 2² = 168346014589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (168346014533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84173007296 + 84173007297.

It is an arithmetic number, because the mean of its divisors is an integer number (84173007297).

Almost surely, 2^168346014593 is an apocalyptic number.

It is an amenable number.

168346014593 is a deficient number, since it is larger than the sum of its proper divisors (1).

168346014593 is an equidigital number, since it uses as much as digits as its factorization.

168346014593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 168346014593 in words is "one hundred sixty-eight billion, three hundred forty-six million, fourteen thousand, five hundred ninety-three".