163404553201 has 16 divisors (see below), whose sum is σ = 166732300800. Its totient is φ = 160109706240.

The previous prime is 163404553183. The next prime is 163404553223. The reversal of 163404553201 is 102355404361.

It is a cyclic number.

It is not a de Polignac number, because 163404553201 - 2¹¹ = 163404551153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163404553001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6971700 + ... + 6995098.

It is an arithmetic number, because the mean of its divisors is an integer number (10420768800).

Almost surely, 2^163404553201 is an apocalyptic number.

It is an amenable number.

163404553201 is a deficient number, since it is larger than the sum of its proper divisors (3327747599).

163404553201 is a wasteful number, since it uses less digits than its factorization.

163404553201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24096.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 163404553201 its reverse (102355404361), we get a palindrome (265759957562).

The spelling of 163404553201 in words is "one hundred sixty-three billion, four hundred four million, five hundred fifty-three thousand, two hundred one".