162642432 has 80 divisors (see below), whose sum is σ = 456176160. Its totient is φ = 51351552.

The previous prime is 162642397. The next prime is 162642439. The reversal of 162642432 is 234246261.

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

It is a self number, because there is not a number n which added to its sum of digits gives 162642432.

It is not an unprimeable number, because it can be changed into a prime (162642439) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 26398 + ... + 31970.

It is an arithmetic number, because the mean of its divisors is an integer number (5702202).

Almost surely, 2^162642432 is an apocalyptic number.

162642432 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 162642432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228088080).

162642432 is an abundant number, since it is smaller than the sum of its proper divisors (293533728).

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

162642432 is an equidigital number, since it uses as much as digits as its factorization.

162642432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5613 (or 5597 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 162642432 is about 12753.1342030106. The cubic root of 162642432 is about 545.8558301212.

Adding to 162642432 its reverse (234246261), we get a palindrome (396888693).

The spelling of 162642432 in words is "one hundred sixty-two million, six hundred forty-two thousand, four hundred thirty-two".