16139132608 has 112 divisors (see below), whose sum is σ = 34564320000. Its totient is φ = 7453375488.

The previous prime is 16139132599. The next prime is 16139132609. The reversal of 16139132608 is 80623193161.

It is not an unprimeable number, because it can be changed into a prime (16139132609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11535493 + ... + 11536891.

It is an arithmetic number, because the mean of its divisors is an integer number (308610000).

Almost surely, 2^16139132608 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 16139132608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17282160000).

16139132608 is an abundant number, since it is smaller than the sum of its proper divisors (18425187392).

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

16139132608 is a wasteful number, since it uses less digits than its factorization.

16139132608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662 (or 1652 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 16139132608 in words is "sixteen billion, one hundred thirty-nine million, one hundred thirty-two thousand, six hundred eight".