162080382820 has 24 divisors (see below), whose sum is σ = 342096572664. Its totient is φ = 64503054336.

The previous prime is 162080382809. The next prime is 162080382889. The reversal of 162080382820 is 28283080261.

It can be written as a sum of positive squares in 4 ways, for example, as 116521187904 + 45559194916 = 341352^2 + 213446^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20564637 + ... + 20572516.

It is an arithmetic number, because the mean of its divisors is an integer number (14254023861).

Almost surely, 2^162080382820 is an apocalyptic number.

162080382820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162080382820 is an abundant number, since it is smaller than the sum of its proper divisors (180016189844).

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

162080382820 is a wasteful number, since it uses less digits than its factorization.

162080382820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41137359 (or 41137357 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 162080382820 in words is "one hundred sixty-two billion, eighty million, three hundred eighty-two thousand, eight hundred twenty".