16317138012 has 48 divisors (see below), whose sum is σ = 43530009600. Its totient is φ = 4660149312.

The previous prime is 16317137987. The next prime is 16317138031. The reversal of 16317138012 is 21083171361.

16317138012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176013 + ... + 252219.

It is an arithmetic number, because the mean of its divisors is an integer number (906875200).

Almost surely, 2^16317138012 is an apocalyptic number.

16317138012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16317138012 is an abundant number, since it is smaller than the sum of its proper divisors (27212871588).

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

16317138012 is a wasteful number, since it uses less digits than its factorization.

16317138012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78770 (or 78768 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The spelling of 16317138012 in words is "sixteen billion, three hundred seventeen million, one hundred thirty-eight thousand, twelve".