163513663054263 has 24 divisors (see below), whose sum is σ = 243912769892480. Its totient is φ = 105446192402880.

The previous prime is 163513663054241. The next prime is 163513663054319. The reversal of 163513663054263 is 362450366315361.

163513663054263 is a `hidden beast` number, since 1 + 6 + 3 + 5 + 1 + 3 + 6 + 6 + 30 + 542 + 63 = 666.

It is not a de Polignac number, because 163513663054263 - 2⁶ = 163513663054199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163513663054213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128514256 + ... + 129780357.

Almost surely, 2^{163513663054263} is an apocalyptic number.

163513663054263 is a deficient number, since it is larger than the sum of its proper divisors (80399106838217).

163513663054263 is a wasteful number, since it uses less digits than its factorization.

163513663054263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258296919 (or 258296916 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 54.

The spelling of 163513663054263 in words is "one hundred sixty-three trillion, five hundred thirteen billion, six hundred sixty-three million, fifty-four thousand, two hundred sixty-three".