19061668096 has 27 divisors (see below), whose sum is σ = 38053286481. Its totient is φ = 9529729536.

The previous prime is 19061668069. The next prime is 19061668097. The reversal of 19061668096 is 69086616091.

The square root of 19061668096 is 138064.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 14673930496 + 4387737600 = 121136^2 + 66240^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19061668097) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 2204710 + ... + 2213338.

Almost surely, 2^19061668096 is an apocalyptic number.

19061668096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

19061668096 is the 138064-th square number.

It is an amenable number.

19061668096 is a deficient number, since it is larger than the sum of its proper divisors (18991618385).

19061668096 is an frugal number, since it uses more digits than its factorization.

19061668096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17274 (or 8631 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The spelling of 19061668096 in words is "nineteen billion, sixty-one million, six hundred sixty-eight thousand, ninety-six".