16320332 has 18 divisors (see below), whose sum is σ = 33223932. Its totient is φ = 6994344.

The previous prime is 16320331. The next prime is 16320341. The reversal of 16320332 is 23302361.

16320332 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

16320332 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (16320331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41438 + ... + 41829.

It is an arithmetic number, because the mean of its divisors is an integer number (1845774).

Almost surely, 2^16320332 is an apocalyptic number.

It is an amenable number.

16320332 is an abundant number, since it is smaller than the sum of its proper divisors (16903600).

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

16320332 is a wasteful number, since it uses less digits than its factorization.

16320332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83285 (or 83276 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 16320332 is about 4039.8430662589. The cubic root of 16320332 is about 253.6547482365.

Adding to 16320332 its reverse (23302361), we get a palindrome (39622693).

The spelling of 16320332 in words is "sixteen million, three hundred twenty thousand, three hundred thirty-two".