163795776941 has 2 divisors, whose sum is σ = 163795776942. Its totient is φ = 163795776940.

The previous prime is 163795776919. The next prime is 163795776959. The reversal of 163795776941 is 149677597361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157625674441 + 6170102500 = 397021^2 + 78550^2 .

It is a cyclic number.

It is not a de Polignac number, because 163795776941 - 2⁶ = 163795776877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163795776901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81897888470 + 81897888471.

It is an arithmetic number, because the mean of its divisors is an integer number (81897888471).

Almost surely, 2^163795776941 is an apocalyptic number.

It is an amenable number.

163795776941 is a deficient number, since it is larger than the sum of its proper divisors (1).

163795776941 is an equidigital number, since it uses as much as digits as its factorization.

163795776941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60011280, while the sum is 65.

The spelling of 163795776941 in words is "one hundred sixty-three billion, seven hundred ninety-five million, seven hundred seventy-six thousand, nine hundred forty-one".