162198816 has 48 divisors (see below), whose sum is σ = 458527104. Its totient is φ = 49906944.

The previous prime is 162198793. The next prime is 162198857. The reversal of 162198816 is 618891261.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63736 + ... + 66231.

It is an arithmetic number, because the mean of its divisors is an integer number (9552648).

Almost surely, 2^162198816 is an apocalyptic number.

162198816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

162198816 is an abundant number, since it is smaller than the sum of its proper divisors (296328288).

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

162198816 is a wasteful number, since it uses less digits than its factorization.

162198816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129993 (or 129985 counting only the distinct ones).

The product of its digits is 41472, while the sum is 42.

The square root of 162198816 is about 12735.7298966333. The cubic root of 162198816 is about 545.3590944896.

The spelling of 162198816 in words is "one hundred sixty-two million, one hundred ninety-eight thousand, eight hundred sixteen".