163217147200 has 84 divisors (see below), whose sum is σ = 401701228092. Its totient is φ = 65273036800.

The previous prime is 163217147183. The next prime is 163217147209. The reversal of 163217147200 is 2741712361.

It can be written as a sum of positive squares in 6 ways, for example, as 66267115776 + 96950031424 = 257424^2 + 311368^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163217147209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11155890 + ... + 11170510.

Almost surely, 2^163217147200 is an apocalyptic number.

163217147200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163217147200 is an abundant number, since it is smaller than the sum of its proper divisors (238484080892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163217147200 is a wasteful number, since it uses less digits than its factorization.

163217147200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21620 (or 21605 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

Adding to 163217147200 its reverse (2741712361), we get a palindrome (165958859561).

The spelling of 163217147200 in words is "one hundred sixty-three billion, two hundred seventeen million, one hundred forty-seven thousand, two hundred".