163042351963 has 2 divisors, whose sum is σ = 163042351964. Its totient is φ = 163042351962.

The previous prime is 163042351957. The next prime is 163042351991. The reversal of 163042351963 is 369153240361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163042351963 - 2⁵ = 163042351931 is a prime.

It is not a weakly prime, because it can be changed into another prime (163042351463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81521175981 + 81521175982.

It is an arithmetic number, because the mean of its divisors is an integer number (81521175982).

Almost surely, 2^163042351963 is an apocalyptic number.

163042351963 is a deficient number, since it is larger than the sum of its proper divisors (1).

163042351963 is an equidigital number, since it uses as much as digits as its factorization.

163042351963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 43.

The spelling of 163042351963 in words is "one hundred sixty-three billion, forty-two million, three hundred fifty-one thousand, nine hundred sixty-three".