163425145643 has 2 divisors, whose sum is σ = 163425145644. Its totient is φ = 163425145642.

The previous prime is 163425145627. The next prime is 163425145661. The reversal of 163425145643 is 346541524361.

163425145643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163425145643 - 2⁴ = 163425145627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163425145594 and 163425145603.

It is not a weakly prime, because it can be changed into another prime (163425145613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81712572821 + 81712572822.

It is an arithmetic number, because the mean of its divisors is an integer number (81712572822).

Almost surely, 2^163425145643 is an apocalyptic number.

163425145643 is a deficient number, since it is larger than the sum of its proper divisors (1).

163425145643 is an equidigital number, since it uses as much as digits as its factorization.

163425145643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1036800, while the sum is 44.

The spelling of 163425145643 in words is "one hundred sixty-three billion, four hundred twenty-five million, one hundred forty-five thousand, six hundred forty-three".