16208761099648 has 192 divisors, whose sum is σ = 35683605540000. Its totient is φ = 7328954400768.

The previous prime is 16208761099637. The next prime is 16208761099651. The reversal of 16208761099648 is 84699016780261.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209813413 + ... + 209890651.

Almost surely, 2^{16208761099648} 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 16208761099648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17841802770000).

16208761099648 is an abundant number, since it is smaller than the sum of its proper divisors (19474844440352).

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

16208761099648 is a wasteful number, since it uses less digits than its factorization.

16208761099648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77477 (or 77452 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 67.

The spelling of 16208761099648 in words is "sixteen trillion, two hundred eight billion, seven hundred sixty-one million, ninety-nine thousand, six hundred forty-eight".