163601911411 has 2 divisors, whose sum is σ = 163601911412. Its totient is φ = 163601911410.

The previous prime is 163601911379. The next prime is 163601911453. The reversal of 163601911411 is 114119106361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163601911411 - 2⁵ = 163601911379 is a prime.

It is not a weakly prime, because it can be changed into another prime (163601917411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81800955705 + 81800955706.

It is an arithmetic number, because the mean of its divisors is an integer number (81800955706).

Almost surely, 2^163601911411 is an apocalyptic number.

163601911411 is a deficient number, since it is larger than the sum of its proper divisors (1).

163601911411 is an equidigital number, since it uses as much as digits as its factorization.

163601911411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 163601911411 in words is "one hundred sixty-three billion, six hundred one million, nine hundred eleven thousand, four hundred eleven".