16316509782 has 8 divisors (see below), whose sum is σ = 32633019576. Its totient is φ = 5438836592.

The previous prime is 16316509771. The next prime is 16316509789. The reversal of 16316509782 is 28790561361.

16316509782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

16316509782 is an admirable number.

It is a super-2 number, since 2×16316509782² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16316509789) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1359709143 + ... + 1359709154.

It is an arithmetic number, because the mean of its divisors is an integer number (4079127447).

Almost surely, 2^16316509782 is an apocalyptic number.

16316509782 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16316509782 is a wasteful number, since it uses less digits than its factorization.

16316509782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719418302.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 16316509782 in words is "sixteen billion, three hundred sixteen million, five hundred nine thousand, seven hundred eighty-two".