162081192 has 128 divisors (see below), whose sum is σ = 509644800. Its totient is φ = 41810688.

The previous prime is 162081173. The next prime is 162081197. The reversal of 162081192 is 291180261.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (162081197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101859 + ... + 103437.

It is an arithmetic number, because the mean of its divisors is an integer number (3981600).

Almost surely, 2^162081192 is an apocalyptic number.

162081192 is a gapful number since it is divisible by the number (12) 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 162081192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254822400).

162081192 is an abundant number, since it is smaller than the sum of its proper divisors (347563608).

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

162081192 is a wasteful number, since it uses less digits than its factorization.

162081192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655 (or 1651 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 162081192 is about 12731.1111848102. Note that the first 4 decimals coincide. The cubic root of 162081192 is about 545.2272340314.

The spelling of 162081192 in words is "one hundred sixty-two million, eighty-one thousand, one hundred ninety-two".