16001832 has 96 divisors (see below), whose sum is σ = 50807520. Its totient is φ = 4152960.

The previous prime is 16001831. The next prime is 16001851. The reversal of 16001832 is 23810061.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 16001799 and 16001808.

It is not an unprimeable number, because it can be changed into a prime (16001831) 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 23 ways as a sum of consecutive naturals, for example, 12318 + ... + 13554.

It is an arithmetic number, because the mean of its divisors is an integer number (529245).

Almost surely, 2^16001832 is an apocalyptic number.

16001832 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 16001832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25403760).

16001832 is an abundant number, since it is smaller than the sum of its proper divisors (34805688).

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

16001832 is a wasteful number, since it uses less digits than its factorization.

16001832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271 (or 1260 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 16001832 is about 4000.2289934453. The cubic root of 16001832 is about 251.9938270093.

Adding to 16001832 its reverse (23810061), we get a palindrome (39811893).

The spelling of 16001832 in words is "sixteen million, one thousand, eight hundred thirty-two".