9966195 has 12 divisors (see below), whose sum is σ = 17274816. Its totient is φ = 5315280.

The previous prime is 9966193. The next prime is 9966211. The reversal of 9966195 is 5916699.

It is not a de Polignac number, because 9966195 - 2¹ = 9966193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 221471 = 9966195 / (9 + 9 + 6 + 6 + 1 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 9966195.

It is not an unprimeable number, because it can be changed into a prime (9966191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110691 + ... + 110780.

It is an arithmetic number, because the mean of its divisors is an integer number (1439568).

Almost surely, 2^9966195 is an apocalyptic number.

9966195 is a deficient number, since it is larger than the sum of its proper divisors (7308621).

9966195 is a wasteful number, since it uses less digits than its factorization.

9966195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221482 (or 221479 counting only the distinct ones).

The product of its digits is 131220, while the sum is 45.

The square root of 9966195 is about 3156.9280954751. The cubic root of 9966195 is about 215.2004260459.

The spelling of 9966195 in words is "nine million, nine hundred sixty-six thousand, one hundred ninety-five".