162343728 has 60 divisors (see below), whose sum is σ = 458549520. Its totient is φ = 53612928.

The previous prime is 162343691. The next prime is 162343739. The reversal of 162343728 is 827343261.

It is a happy number.

162343728 is a `hidden beast` number, since 1 + 623 + 4 + 3 + 7 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 162343692 and 162343701.

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 11 ways as a sum of consecutive naturals, for example, 10525 + ... + 20867.

It is an arithmetic number, because the mean of its divisors is an integer number (7642492).

Almost surely, 2^162343728 is an apocalyptic number.

162343728 is a gapful number since it is divisible by the number (18) 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 162343728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229274760).

162343728 is an abundant number, since it is smaller than the sum of its proper divisors (296205792).

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

162343728 is a wasteful number, since it uses less digits than its factorization.

162343728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10466 (or 10457 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 162343728 is about 12741.4178174958. The cubic root of 162343728 is about 545.5214580943.

Adding to 162343728 its reverse (827343261), we get a palindrome (989686989).

The spelling of 162343728 in words is "one hundred sixty-two million, three hundred forty-three thousand, seven hundred twenty-eight".