161147195 has 12 divisors (see below), whose sum is σ = 212555280. Its totient is φ = 117197520.

The previous prime is 161147183. The next prime is 161147213. The reversal of 161147195 is 591741161.

It is not a de Polignac number, because 161147195 - 2¹⁶ = 161081659 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132575 + ... + 133784.

It is an arithmetic number, because the mean of its divisors is an integer number (17712940).

Almost surely, 2^161147195 is an apocalyptic number.

161147195 is a deficient number, since it is larger than the sum of its proper divisors (51408085).

161147195 is a wasteful number, since it uses less digits than its factorization.

161147195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266386 (or 266375 counting only the distinct ones).

The product of its digits is 7560, while the sum is 35.

The square root of 161147195 is about 12694.3765108807. The cubic root of 161147195 is about 544.1779206002.

The spelling of 161147195 in words is "one hundred sixty-one million, one hundred forty-seven thousand, one hundred ninety-five".