19465966716 has 96 divisors (see below), whose sum is σ = 55974213120. Its totient is φ = 5140454400.

The previous prime is 19465966711. The next prime is 19465966769. The reversal of 19465966716 is 61766956491.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 19465966716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19465966711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83305 + ... + 214176.

It is an arithmetic number, because the mean of its divisors is an integer number (583064720).

Almost surely, 2^19465966716 is an apocalyptic number.

It is an amenable number.

19465966716 is an abundant number, since it is smaller than the sum of its proper divisors (36508246404).

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

19465966716 is a wasteful number, since it uses less digits than its factorization.

19465966716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297555 (or 297553 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 60.

The spelling of 19465966716 in words is "nineteen billion, four hundred sixty-five million, nine hundred sixty-six thousand, seven hundred sixteen".