9966190594 has 4 divisors (see below), whose sum is σ = 14949285894. Its totient is φ = 4983095296.

The previous prime is 9966190573. The next prime is 9966190609. The reversal of 9966190594 is 4950916699.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9018351225 + 947839369 = 94965^2 + 30787^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2491547647 + ... + 2491547650.

Almost surely, 2^9966190594 is an apocalyptic number.

9966190594 is a deficient number, since it is larger than the sum of its proper divisors (4983095300).

9966190594 is a wasteful number, since it uses less digits than its factorization.

9966190594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4983095299.

The product of its (nonzero) digits is 4723920, while the sum is 58.

The square root of 9966190594 is about 99830.8098434546. The cubic root of 9966190594 is about 2152.0039433290.

The spelling of 9966190594 in words is "nine billion, nine hundred sixty-six million, one hundred ninety thousand, five hundred ninety-four".