163042350673 has 2 divisors, whose sum is σ = 163042350674. Its totient is φ = 163042350672.

The previous prime is 163042350649. The next prime is 163042350683. The reversal of 163042350673 is 376053240361.

163042350673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86796230544 + 76246120129 = 294612^2 + 276127^2 .

It is a cyclic number.

It is not a de Polignac number, because 163042350673 - 2¹³ = 163042342481 is a prime.

It is a super-2 number, since 2×163042350673² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (163042350623) 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, 81521175336 + 81521175337.

It is an arithmetic number, because the mean of its divisors is an integer number (81521175337).

Almost surely, 2^163042350673 is an apocalyptic number.

It is an amenable number.

163042350673 is a deficient number, since it is larger than the sum of its proper divisors (1).

163042350673 is an equidigital number, since it uses as much as digits as its factorization.

163042350673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 40.

The spelling of 163042350673 in words is "one hundred sixty-three billion, forty-two million, three hundred fifty thousand, six hundred seventy-three".