163069642522541 has 2 divisors, whose sum is σ = 163069642522542. Its totient is φ = 163069642522540.

The previous prime is 163069642522531. The next prime is 163069642522559. The reversal of 163069642522541 is 145225246960361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117124969460041 + 45944673062500 = 10822429^2 + 6778250^2 .

It is a cyclic number.

It is not a de Polignac number, because 163069642522541 - 2⁴⁶ = 92700898344877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163069642522511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81534821261270 + 81534821261271.

It is an arithmetic number, because the mean of its divisors is an integer number (81534821261271).

Almost surely, 2^{163069642522541} is an apocalyptic number.

It is an amenable number.

163069642522541 is a deficient number, since it is larger than the sum of its proper divisors (1).

163069642522541 is an equidigital number, since it uses as much as digits as its factorization.

163069642522541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18662400, while the sum is 56.

The spelling of 163069642522541 in words is "one hundred sixty-three trillion, sixty-nine billion, six hundred forty-two million, five hundred twenty-two thousand, five hundred forty-one".