19527709000066 has 8 divisors (see below), whose sum is σ = 29581578980604. Its totient is φ = 9667182673200.

The previous prime is 19527709000021. The next prime is 19527709000069. The reversal of 19527709000066 is 66000090772591.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19061999660025 + 465709340041 = 4366005^2 + 682429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 19527708999977 and 19527709000022.

It is not an unprimeable number, because it can be changed into a prime (19527709000069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48335913165 + ... + 48335913568.

Almost surely, 2^{19527709000066} is an apocalyptic number.

19527709000066 is a deficient number, since it is larger than the sum of its proper divisors (10053869980538).

19527709000066 is a wasteful number, since it uses less digits than its factorization.

19527709000066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96671826836.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 19527709000066 in words is "nineteen trillion, five hundred twenty-seven billion, seven hundred nine million, sixty-six", and thus it is an aban number.