162243643200 has 168 divisors, whose sum is σ = 533978522592. Its totient is φ = 43128084480.

The previous prime is 162243643181. The next prime is 162243643201. The reversal of 162243643200 is 2346342261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162243643201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1468287 + ... + 1574913.

Almost surely, 2^162243643200 is an apocalyptic number.

162243643200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162243643200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266989261296).

162243643200 is an abundant number, since it is smaller than the sum of its proper divisors (371734879392).

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

162243643200 is a wasteful number, since it uses less digits than its factorization.

162243643200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106969 (or 106954 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 162243643200 its reverse (2346342261), we get a palindrome (164589985461).

The spelling of 162243643200 in words is "one hundred sixty-two billion, two hundred forty-three million, six hundred forty-three thousand, two hundred".