19516485676 has 12 divisors (see below), whose sum is σ = 34155082080. Its totient is φ = 9757890800.

The previous prime is 19516485671. The next prime is 19516485689. The reversal of 19516485676 is 67658461591.

It is a self number, because there is not a number n which added to its sum of digits gives 19516485676.

It is not an unprimeable number, because it can be changed into a prime (19516485671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67101 + ... + 208651.

It is an arithmetic number, because the mean of its divisors is an integer number (2846256840).

Almost surely, 2^19516485676 is an apocalyptic number.

It is an amenable number.

19516485676 is a deficient number, since it is larger than the sum of its proper divisors (14638596404).

19516485676 is a wasteful number, since it uses less digits than its factorization.

19516485676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176024 (or 176022 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 58.

The spelling of 19516485676 in words is "nineteen billion, five hundred sixteen million, four hundred eighty-five thousand, six hundred seventy-six".