19632123768 has 64 divisors (see below), whose sum is σ = 51694185600. Its totient is φ = 6195934080.

The previous prime is 19632123757. The next prime is 19632123781. The reversal of 19632123768 is 86732123691.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 813930 + ... + 837702.

It is an arithmetic number, because the mean of its divisors is an integer number (807721650).

Almost surely, 2^19632123768 is an apocalyptic number.

It is an amenable number.

19632123768 is an abundant number, since it is smaller than the sum of its proper divisors (32062061832).

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

19632123768 is a wasteful number, since it uses less digits than its factorization.

19632123768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25612 (or 25608 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The spelling of 19632123768 in words is "nineteen billion, six hundred thirty-two million, one hundred twenty-three thousand, seven hundred sixty-eight".