19506926016 has 168 divisors, whose sum is σ = 57076390800. Its totient is φ = 6368440320.

The previous prime is 19506926011. The next prime is 19506926041. The reversal of 19506926016 is 61062960591.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19506926011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5586031 + ... + 5589521.

Almost surely, 2^19506926016 is an apocalyptic number.

19506926016 is a gapful number since it is divisible by the number (16) 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 19506926016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28538195400).

19506926016 is an abundant number, since it is smaller than the sum of its proper divisors (37569464784).

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

19506926016 is a wasteful number, since it uses less digits than its factorization.

19506926016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707 (or 3694 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 19506926016 in words is "nineteen billion, five hundred six million, nine hundred twenty-six thousand, sixteen".