16009312 has 24 divisors (see below), whose sum is σ = 34384392. Its totient is φ = 7276800.

The previous prime is 16009307. The next prime is 16009313. The reversal of 16009312 is 21390061.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a pancake number, because a pancake can be divided into 16009312 parts by 5658 straight cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16009313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22389 + ... + 23092.

It is an arithmetic number, because the mean of its divisors is an integer number (1432683).

Almost surely, 2^16009312 is an apocalyptic number.

It is an amenable number.

16009312 is an abundant number, since it is smaller than the sum of its proper divisors (18375080).

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

16009312 is a wasteful number, since it uses less digits than its factorization.

16009312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45502 (or 45494 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 16009312 is about 4001.1638306873. The cubic root of 16009312 is about 252.0330854351.

Adding to 16009312 its reverse (21390061), we get a palindrome (37399373).

The spelling of 16009312 in words is "sixteen million, nine thousand, three hundred twelve".