16009349312 has 84 divisors (see below), whose sum is σ = 36123768240. Its totient is φ = 7025948160.

The previous prime is 16009349311. The next prime is 16009349333. The reversal of 16009349312 is 21394390061.

It is not an unprimeable number, because it can be changed into a prime (16009349311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188933 + ... + 260219.

It is an arithmetic number, because the mean of its divisors is an integer number (430044860).

Almost surely, 2^16009349312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16009349312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18061884120).

16009349312 is an abundant number, since it is smaller than the sum of its proper divisors (20114418928).

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

16009349312 is a wasteful number, since it uses less digits than its factorization.

16009349312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71350 (or 71329 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The spelling of 16009349312 in words is "sixteen billion, nine million, three hundred forty-nine thousand, three hundred twelve".