16312132 has 12 divisors (see below), whose sum is σ = 29014636. Its totient is φ = 8022240.

The previous prime is 16312117. The next prime is 16312133. The reversal of 16312132 is 23121361.

It can be written as a sum of positive squares in 2 ways, for example, as 8561476 + 7750656 = 2926^2 + 2784^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16312133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33183 + ... + 33670.

Almost surely, 2^16312132 is an apocalyptic number.

It is an amenable number.

16312132 is a deficient number, since it is larger than the sum of its proper divisors (12702504).

16312132 is a wasteful number, since it uses less digits than its factorization.

16312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66918 (or 66916 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 16312132 is about 4038.8280478376. The cubic root of 16312132 is about 253.6122589582.

Adding to 16312132 its reverse (23121361), we get a palindrome (39433493).

The spelling of 16312132 in words is "sixteen million, three hundred twelve thousand, one hundred thirty-two".