19755164068 has 24 divisors (see below), whose sum is σ = 34738100600. Its totient is φ = 9830032128.

The previous prime is 19755164057. The next prime is 19755164069. The reversal of 19755164068 is 86046155791.

It can be written as a sum of positive squares in 4 ways, for example, as 4010435584 + 15744728484 = 63328^2 + 125478^2 .

It is not an unprimeable number, because it can be changed into a prime (19755164069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3174496 + ... + 3180712.

Almost surely, 2^19755164068 is an apocalyptic number.

It is an amenable number.

19755164068 is a deficient number, since it is larger than the sum of its proper divisors (14982936532).

19755164068 is a wasteful number, since it uses less digits than its factorization.

19755164068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9919 (or 9917 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 19755164068 in words is "nineteen billion, seven hundred fifty-five million, one hundred sixty-four thousand, sixty-eight".