162161232 has 160 divisors (see below), whose sum is σ = 470219904. Its totient is φ = 47923200.

The previous prime is 162161227. The next prime is 162161297. The reversal of 162161232 is 232161261.

162161232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1237807 + ... + 1237937.

Almost surely, 2^162161232 is an apocalyptic number.

162161232 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 162161232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235109952).

162161232 is an abundant number, since it is smaller than the sum of its proper divisors (308058672).

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

162161232 is a wasteful number, since it uses less digits than its factorization.

162161232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 231 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 162161232 is about 12734.2542773419. The cubic root of 162161232 is about 545.3169684946.

The spelling of 162161232 in words is "one hundred sixty-two million, one hundred sixty-one thousand, two hundred thirty-two".