162820328 has 32 divisors (see below), whose sum is σ = 334575360. Its totient is φ = 73668480.

The previous prime is 162820321. The next prime is 162820331. The reversal of 162820328 is 823028261.

It is a junction number, because it is equal to n+sod(n) for n = 162820294 and 162820303.

It is not an unprimeable number, because it can be changed into a prime (162820321) by changing a digit.

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, 15476 + ... + 23772.

It is an arithmetic number, because the mean of its divisors is an integer number (10455480).

Almost surely, 2^162820328 is an apocalyptic number.

It is an amenable number.

162820328 is an abundant number, since it is smaller than the sum of its proper divisors (171755032).

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

162820328 is a wasteful number, since it uses less digits than its factorization.

162820328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8537 (or 8533 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 162820328 is about 12760.1068961040. The cubic root of 162820328 is about 546.0547740762.

Adding to 162820328 its reverse (823028261), we get a palindrome (985848589).

The spelling of 162820328 in words is "one hundred sixty-two million, eight hundred twenty thousand, three hundred twenty-eight".