162201600000 has 720 divisors, whose sum is σ = 638934496200. Its totient is φ = 39321600000.

The previous prime is 162201599977. The next prime is 162201600007. The reversal of 162201600000 is 6102261.

It is a happy number.

162201600000 is a `hidden beast` number, since 1 + 62 + 2 + 0 + 1 + 600 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162201600007) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14745599995 + ... + 14745600005.

Almost surely, 2^162201600000 is an apocalyptic number.

162201600000 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 162201600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319467248100).

162201600000 is an abundant number, since it is smaller than the sum of its proper divisors (476732896200).

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

162201600000 is an frugal number, since it uses more digits than its factorization.

162201600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 162201600000 its reverse (6102261), we get a palindrome (162207702261).

The spelling of 162201600000 in words is "one hundred sixty-two billion, two hundred one million, six hundred thousand".