163545006060181 has 2 divisors, whose sum is σ = 163545006060182. Its totient is φ = 163545006060180.

The previous prime is 163545006060127. The next prime is 163545006060199. The reversal of 163545006060181 is 181060600545361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101998486324900 + 61546519735281 = 10099430^2 + 7845159^2 .

It is a cyclic number.

It is not a de Polignac number, because 163545006060181 - 2⁷ = 163545006060053 is a prime.

It is a super-2 number, since 2×163545006060181² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163545006060781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81772503030090 + 81772503030091.

It is an arithmetic number, because the mean of its divisors is an integer number (81772503030091).

Almost surely, 2^{163545006060181} is an apocalyptic number.

It is an amenable number.

163545006060181 is a deficient number, since it is larger than the sum of its proper divisors (1).

163545006060181 is an equidigital number, since it uses as much as digits as its factorization.

163545006060181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 163545006060181 in words is "one hundred sixty-three trillion, five hundred forty-five billion, six million, sixty thousand, one hundred eighty-one".