19768585316 has 12 divisors (see below), whose sum is σ = 34596681840. Its totient is φ = 9883819080.

The previous prime is 19768585301. The next prime is 19768585327. The reversal of 19768585316 is 61358586791.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14306 + ... + 199353.

It is an arithmetic number, because the mean of its divisors is an integer number (2883056820).

Almost surely, 2^19768585316 is an apocalyptic number.

It is an amenable number.

19768585316 is a deficient number, since it is larger than the sum of its proper divisors (14828096524).

19768585316 is a wasteful number, since it uses less digits than its factorization.

19768585316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236794 (or 236792 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 59.

The spelling of 19768585316 in words is "nineteen billion, seven hundred sixty-eight million, five hundred eighty-five thousand, three hundred sixteen".