163613024221 has 16 divisors (see below), whose sum is σ = 169544727040. Its totient is φ = 157722888960.

The previous prime is 163613024213. The next prime is 163613024251. The reversal of 163613024221 is 122420316361.

163613024221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 163613024221 - 2³ = 163613024213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163613024251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17004550 + ... + 17014168.

It is an arithmetic number, because the mean of its divisors is an integer number (10596545440).

Almost surely, 2^163613024221 is an apocalyptic number.

It is an amenable number.

163613024221 is a deficient number, since it is larger than the sum of its proper divisors (5931702819).

163613024221 is a wasteful number, since it uses less digits than its factorization.

163613024221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11716.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 163613024221 in words is "one hundred sixty-three billion, six hundred thirteen million, twenty-four thousand, two hundred twenty-one".