19796116032 has 336 divisors, whose sum is σ = 72194928000. Its totient is φ = 5141283840.

The previous prime is 19796116009. The next prime is 19796116037. The reversal of 19796116032 is 23061169791.

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-3 number, since 3×19796116032³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (19796116037) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2168694 + ... + 2177802.

Almost surely, 2^19796116032 is an apocalyptic number.

19796116032 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 19796116032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36097464000).

19796116032 is an abundant number, since it is smaller than the sum of its proper divisors (52398811968).

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

19796116032 is a wasteful number, since it uses less digits than its factorization.

19796116032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9159 (or 9132 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 19796116032 in words is "nineteen billion, seven hundred ninety-six million, one hundred sixteen thousand, thirty-two".