162389920 has 192 divisors, whose sum is σ = 489888000. Its totient is φ = 50426880.

The previous prime is 162389917. The next prime is 162389957. The reversal of 162389920 is 29983261.

It is a happy number.

162389920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×162389920² = 52740972235212800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 603546 + ... + 603814.

It is an arithmetic number, because the mean of its divisors is an integer number (2551500).

Almost surely, 2^162389920 is an apocalyptic number.

162389920 is a gapful number since it is divisible by the number (10) 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 162389920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244944000).

162389920 is an abundant number, since it is smaller than the sum of its proper divisors (327498080).

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

162389920 is a wasteful number, since it uses less digits than its factorization.

162389920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 162389920 is about 12743.2303596851. The cubic root of 162389920 is about 545.5731926412.

The spelling of 162389920 in words is "one hundred sixty-two million, three hundred eighty-nine thousand, nine hundred twenty".