19773383168 has 240 divisors, whose sum is σ = 50599020384. Its totient is φ = 7633059840.

The previous prime is 19773383159. The next prime is 19773383173. The reversal of 19773383168 is 86138337791.

It is a Harshad number since it is a multiple of its sum of digits (56).

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 23 ways as a sum of consecutive naturals, for example, 37807355 + ... + 37807877.

Almost surely, 2^19773383168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19773383168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25299510192).

19773383168 is an abundant number, since it is smaller than the sum of its proper divisors (30825637216).

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

19773383168 is a wasteful number, since it uses less digits than its factorization.

19773383168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 680 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 56.

The spelling of 19773383168 in words is "nineteen billion, seven hundred seventy-three million, three hundred eighty-three thousand, one hundred sixty-eight".