162399328 has 144 divisors (see below), whose sum is σ = 415062144. Its totient is φ = 61931520.

The previous prime is 162399313. The next prime is 162399371. The reversal of 162399328 is 823993261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 631776 + ... + 632032.

It is an arithmetic number, because the mean of its divisors is an integer number (2882376).

Almost surely, 2^162399328 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 162399328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207531072).

162399328 is an abundant number, since it is smaller than the sum of its proper divisors (252662816).

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

162399328 is a wasteful number, since it uses less digits than its factorization.

162399328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 310 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 162399328 is about 12743.5994915095. The cubic root of 162399328 is about 545.5837282982.

The spelling of 162399328 in words is "one hundred sixty-two million, three hundred ninety-nine thousand, three hundred twenty-eight".