995191161 has 8 divisors (see below), whose sum is σ = 1327109184. Its totient is φ = 663366960.

The previous prime is 995191151. The next prime is 995191181. The reversal of 995191161 is 161191599.

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

It is not a de Polignac number, because 995191161 - 2¹⁰ = 995190137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (995191151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6916 + ... + 45146.

It is an arithmetic number, because the mean of its divisors is an integer number (165888648).

Almost surely, 2^995191161 is an apocalyptic number.

It is an amenable number.

995191161 is a deficient number, since it is larger than the sum of its proper divisors (331918023).

995191161 is a wasteful number, since it uses less digits than its factorization.

995191161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46911.

The product of its digits is 21870, while the sum is 42.

The square root of 995191161 is about 31546.6505512075. The cubic root of 995191161 is about 998.3944773432.

The spelling of 995191161 in words is "nine hundred ninety-five million, one hundred ninety-one thousand, one hundred sixty-one".