9966190573 has 2 divisors, whose sum is σ = 9966190574. Its totient is φ = 9966190572.

The previous prime is 9966190519. The next prime is 9966190609. The reversal of 9966190573 is 3750916699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5405484484 + 4560706089 = 73522^2 + 67533^2 .

It is a cyclic number.

It is not a de Polignac number, because 9966190573 - 2²¹ = 9964093421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9966190673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4983095286 + 4983095287.

It is an arithmetic number, because the mean of its divisors is an integer number (4983095287).

Almost surely, 2^9966190573 is an apocalyptic number.

It is an amenable number.

9966190573 is a deficient number, since it is larger than the sum of its proper divisors (1).

9966190573 is an equidigital number, since it uses as much as digits as its factorization.

9966190573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2755620, while the sum is 55.

The square root of 9966190573 is about 99830.8097382767. The cubic root of 9966190573 is about 2152.0039418175.

The spelling of 9966190573 in words is "nine billion, nine hundred sixty-six million, one hundred ninety thousand, five hundred seventy-three".