19703350016 has 216 divisors, whose sum is σ = 49302457344. Its totient is φ = 7813048320.

The previous prime is 19703349989. The next prime is 19703350021. The reversal of 19703350016 is 61005330791.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8942771 + ... + 8944973.

Almost surely, 2^19703350016 is an apocalyptic number.

19703350016 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 19703350016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24651228672).

19703350016 is an abundant number, since it is smaller than the sum of its proper divisors (29599107328).

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

19703350016 is a wasteful number, since it uses less digits than its factorization.

19703350016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287 (or 2266 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 35.

The spelling of 19703350016 in words is "nineteen billion, seven hundred three million, three hundred fifty thousand, sixteen".