163530641633 has 8 divisors (see below), whose sum is σ = 164520478080. Its totient is φ = 162540931840.

The previous prime is 163530641621. The next prime is 163530641707. The reversal of 163530641633 is 336146035361.

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 163530641633 - 2¹⁴ = 163530625249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163530641233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4546028 + ... + 4581858.

It is an arithmetic number, because the mean of its divisors is an integer number (20565059760).

Almost surely, 2^163530641633 is an apocalyptic number.

It is an amenable number.

163530641633 is a deficient number, since it is larger than the sum of its proper divisors (989836447).

163530641633 is a wasteful number, since it uses less digits than its factorization.

163530641633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63327.

The product of its (nonzero) digits is 349920, while the sum is 41.

Adding to 163530641633 its reverse (336146035361), we get a palindrome (499676676994).

The spelling of 163530641633 in words is "one hundred sixty-three billion, five hundred thirty million, six hundred forty-one thousand, six hundred thirty-three".