216144246163 has 2 divisors, whose sum is σ = 216144246164. Its totient is φ = 216144246162.

The previous prime is 216144246151. The next prime is 216144246167. The reversal of 216144246163 is 361642441612.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 216144246163 - 2³³ = 207554311571 is a prime.

It is not a weakly prime, because it can be changed into another prime (216144246167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108072123081 + 108072123082.

It is an arithmetic number, because the mean of its divisors is an integer number (108072123082).

Almost surely, 2^216144246163 is an apocalyptic number.

216144246163 is a deficient number, since it is larger than the sum of its proper divisors (1).

216144246163 is an equidigital number, since it uses as much as digits as its factorization.

216144246163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 40.

Adding to 216144246163 its reverse (361642441612), we get a palindrome (577786687775).

The spelling of 216144246163 in words is "two hundred sixteen billion, one hundred forty-four million, two hundred forty-six thousand, one hundred sixty-three".