163513734163 has 8 divisors (see below), whose sum is σ = 177835197456. Its totient is φ = 149441340000.

The previous prime is 163513734161. The next prime is 163513734169. The reversal of 163513734163 is 361437315361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163513734163 - 2¹ = 163513734161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163513734161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62265913 + ... + 62268538.

It is an arithmetic number, because the mean of its divisors is an integer number (22229399682).

Almost surely, 2^163513734163 is an apocalyptic number.

163513734163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

163513734163 is a deficient number, since it is larger than the sum of its proper divisors (14321463293).

163513734163 is a wasteful number, since it uses less digits than its factorization.

163513734163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124534565.

The product of its digits is 408240, while the sum is 43.

The spelling of 163513734163 in words is "one hundred sixty-three billion, five hundred thirteen million, seven hundred thirty-four thousand, one hundred sixty-three".