163234206719 has 2 divisors, whose sum is σ = 163234206720. Its totient is φ = 163234206718.

The previous prime is 163234206691. The next prime is 163234206727. The reversal of 163234206719 is 917602432361.

It is a strong prime.

It is an emirp because it is prime and its reverse (917602432361) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163234206719 is a prime.

It is a super-2 number, since 2×163234206719² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163234206719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163234206739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81617103359 + 81617103360.

It is an arithmetic number, because the mean of its divisors is an integer number (81617103360).

Almost surely, 2^163234206719 is an apocalyptic number.

163234206719 is a deficient number, since it is larger than the sum of its proper divisors (1).

163234206719 is an equidigital number, since it uses as much as digits as its factorization.

163234206719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 163234206719 in words is "one hundred sixty-three billion, two hundred thirty-four million, two hundred six thousand, seven hundred nineteen".