162121830468 has 144 divisors (see below), whose sum is σ = 414834940800. Its totient is φ = 49252948992.

The previous prime is 162121830419. The next prime is 162121830511. The reversal of 162121830468 is 864038121261.

It is a happy number.

162121830468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53170608 + ... + 53173656.

It is an arithmetic number, because the mean of its divisors is an integer number (2880798200).

Almost surely, 2^162121830468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162121830468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207417470400).

162121830468 is an abundant number, since it is smaller than the sum of its proper divisors (252713110332).

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

162121830468 is a wasteful number, since it uses less digits than its factorization.

162121830468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406 (or 3391 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 162121830468 in words is "one hundred sixty-two billion, one hundred twenty-one million, eight hundred thirty thousand, four hundred sixty-eight".