163440622303 has 16 divisors (see below), whose sum is σ = 190780683264. Its totient is φ = 137098948320.

The previous prime is 163440622273. The next prime is 163440622321. The reversal of 163440622303 is 303226044361.

It is a cyclic number.

It is not a de Polignac number, because 163440622303 - 2²⁹ = 162903751391 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 (163440622393) 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, 6821701 + ... + 6845617.

It is an arithmetic number, because the mean of its divisors is an integer number (11923792704).

Almost surely, 2^163440622303 is an apocalyptic number.

163440622303 is a deficient number, since it is larger than the sum of its proper divisors (27340060961).

163440622303 is a wasteful number, since it uses less digits than its factorization.

163440622303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44742.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 163440622303 its reverse (303226044361), we get a palindrome (466666666664).

The spelling of 163440622303 in words is "one hundred sixty-three billion, four hundred forty million, six hundred twenty-two thousand, three hundred three".