19596704064 has 448 divisors, whose sum is σ = 64763904000. Its totient is φ = 5215795200.

The previous prime is 19596704059. The next prime is 19596704077. The reversal of 19596704064 is 46040769591.

It is a tau number, because it is divible by the number of its divisors (448).

It is a junction number, because it is equal to n+sod(n) for n = 19596703998 and 19596704016.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 59204379 + ... + 59204709.

Almost surely, 2^19596704064 is an apocalyptic number.

19596704064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19596704064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32381952000).

19596704064 is an abundant number, since it is smaller than the sum of its proper divisors (45167199936).

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

19596704064 is a wasteful number, since it uses less digits than its factorization.

19596704064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 19596704064 in words is "nineteen billion, five hundred ninety-six million, seven hundred four thousand, sixty-four".