163643224023 has 16 divisors (see below), whose sum is σ = 242869678560. Its totient is φ = 108899610048.

The previous prime is 163643224013. The next prime is 163643224033. The reversal of 163643224023 is 320422346361.

163643224023 is a `hidden beast` number, since 1 + 6 + 3 + 643 + 2 + 2 + 4 + 0 + 2 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (163643224013) and next prime (163643224033).

It is not a de Polignac number, because 163643224023 - 2¹⁰ = 163643222999 is a prime.

It is a super-4 number, since 4×163643224023⁴ (a number of 46 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163643224013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5425590 + ... + 5455667.

It is an arithmetic number, because the mean of its divisors is an integer number (15179354910).

Almost surely, 2^163643224023 is an apocalyptic number.

163643224023 is a deficient number, since it is larger than the sum of its proper divisors (79226454537).

163643224023 is a wasteful number, since it uses less digits than its factorization.

163643224023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10881823 (or 10881817 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The spelling of 163643224023 in words is "one hundred sixty-three billion, six hundred forty-three million, two hundred twenty-four thousand, twenty-three".