19603596672 has 160 divisors (see below), whose sum is σ = 63643991400. Its totient is φ = 5940449280.

The previous prime is 19603596667. The next prime is 19603596763. The reversal of 19603596672 is 27669530691.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 19 ways as a sum of consecutive naturals, for example, 28104 + ... + 199992.

Almost surely, 2^19603596672 is an apocalyptic number.

19603596672 is a gapful number since it is divisible by the number (12) 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 19603596672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31821995700).

19603596672 is an abundant number, since it is smaller than the sum of its proper divisors (44040394728).

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

19603596672 is a wasteful number, since it uses less digits than its factorization.

19603596672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171926 (or 171905 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 19603596672 in words is "nineteen billion, six hundred three million, five hundred ninety-six thousand, six hundred seventy-two".