16139630816 has 48 divisors (see below), whose sum is σ = 33670274400. Its totient is φ = 7589191680.

The previous prime is 16139630803. The next prime is 16139630821. The reversal of 16139630816 is 61803693161.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 729485 + ... + 751283.

It is an arithmetic number, because the mean of its divisors is an integer number (701464050).

Almost surely, 2^16139630816 is an apocalyptic number.

16139630816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16139630816 is an abundant number, since it is smaller than the sum of its proper divisors (17530643584).

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

16139630816 is a wasteful number, since it uses less digits than its factorization.

16139630816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23187 (or 23179 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 16139630816 in words is "sixteen billion, one hundred thirty-nine million, six hundred thirty thousand, eight hundred sixteen".