163601456041 has 2 divisors, whose sum is σ = 163601456042. Its totient is φ = 163601456040.

The previous prime is 163601456017. The next prime is 163601456047. The reversal of 163601456041 is 140654106361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163600025625 + 1430416 = 404475^2 + 1196^2 .

It is a cyclic number.

It is not a de Polignac number, because 163601456041 - 2²¹ = 163599358889 is a prime.

It is not a weakly prime, because it can be changed into another prime (163601456047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81800728020 + 81800728021.

It is an arithmetic number, because the mean of its divisors is an integer number (81800728021).

Almost surely, 2^163601456041 is an apocalyptic number.

It is an amenable number.

163601456041 is a deficient number, since it is larger than the sum of its proper divisors (1).

163601456041 is an equidigital number, since it uses as much as digits as its factorization.

163601456041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 163601456041 in words is "one hundred sixty-three billion, six hundred one million, four hundred fifty-six thousand, forty-one".