163401041 has 2 divisors, whose sum is σ = 163401042. Its totient is φ = 163401040.

The previous prime is 163401023. The next prime is 163401053. The reversal of 163401041 is 140104361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161163025 + 2238016 = 12695^2 + 1496^2 .

It is a cyclic number.

It is not a de Polignac number, because 163401041 - 2⁶ = 163400977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (163401061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81700520 + 81700521.

It is an arithmetic number, because the mean of its divisors is an integer number (81700521).

Almost surely, 2^163401041 is an apocalyptic number.

It is an amenable number.

163401041 is a deficient number, since it is larger than the sum of its proper divisors (1).

163401041 is an equidigital number, since it uses as much as digits as its factorization.

163401041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 163401041 is about 12782.8416637303. The cubic root of 163401041 is about 546.7031879147.

The spelling of 163401041 in words is "one hundred sixty-three million, four hundred one thousand, forty-one".