19286808506616 has 256 divisors, whose sum is σ = 62368429455360. Its totient is φ = 4839876771840.

The previous prime is 19286808506533. The next prime is 19286808506723. The reversal of 19286808506616 is 61660580868291.

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 63 ways as a sum of consecutive naturals, for example, 887431 + ... + 6273846.

It is an arithmetic number, because the mean of its divisors is an integer number (243626677560).

Almost surely, 2^{19286808506616} 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 19286808506616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31184214727680).

19286808506616 is an abundant number, since it is smaller than the sum of its proper divisors (43081620948744).

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

19286808506616 is a wasteful number, since it uses less digits than its factorization.

19286808506616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7161374 (or 7161370 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 66.

The spelling of 19286808506616 in words is "nineteen trillion, two hundred eighty-six billion, eight hundred eight million, five hundred six thousand, six hundred sixteen".