9966190593 has 8 divisors (see below), whose sum is σ = 13987636000. Its totient is φ = 6294436128.

The previous prime is 9966190573. The next prime is 9966190609. The reversal of 9966190593 is 3950916699.

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

It is not a de Polignac number, because 9966190593 - 2¹⁸ = 9965928449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 174845449 = 9966190593 / (9 + 9 + 6 + 6 + 1 + 9 + 0 + 5 + 9 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9966190573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87422668 + ... + 87422781.

It is an arithmetic number, because the mean of its divisors is an integer number (1748454500).

It is a Proth number, since it is equal to 19009 ⋅ 2¹⁹ + 1 and 19009 < 2¹⁹.

Almost surely, 2^9966190593 is an apocalyptic number.

It is an amenable number.

9966190593 is a deficient number, since it is larger than the sum of its proper divisors (4021445407).

9966190593 is a wasteful number, since it uses less digits than its factorization.

9966190593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174845471.

The product of its (nonzero) digits is 3542940, while the sum is 57.

The square root of 9966190593 is about 99830.8098384462. The cubic root of 9966190593 is about 2152.0039432570.

The spelling of 9966190593 in words is "nine billion, nine hundred sixty-six million, one hundred ninety thousand, five hundred ninety-three".