16136568078336 has 640 divisors, whose sum is σ = 49036973736960. Its totient is φ = 5309413982208.

The previous prime is 16136568078331. The next prime is 16136568078353. The reversal of 16136568078336 is 63387086563161.

16136568078336 is a `hidden beast` number, since 1 + 6 + 1 + 36 + 568 + 0 + 7 + 8 + 3 + 36 = 666.

It is not an unprimeable number, because it can be changed into a prime (16136568078331) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 81911512990 + ... + 81911513186.

It is an arithmetic number, because the mean of its divisors is an integer number (76620271464).

Almost surely, 2^{16136568078336} is an apocalyptic number.

16136568078336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16136568078336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24518486868480).

16136568078336 is an abundant number, since it is smaller than the sum of its proper divisors (32900405658624).

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

16136568078336 is an frugal number, since it uses more digits than its factorization.

16136568078336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 16136568078336 in words is "sixteen trillion, one hundred thirty-six billion, five hundred sixty-eight million, seventy-eight thousand, three hundred thirty-six".