161193107147 has 8 divisors (see below), whose sum is σ = 161924629680. Its totient is φ = 160462103040.

The previous prime is 161193107129. The next prime is 161193107161. The reversal of 161193107147 is 741701391161.

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

It is a cyclic number.

It is not a de Polignac number, because 161193107147 - 2²⁰ = 161192058571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161193107107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500588 + ... + 756950.

It is an arithmetic number, because the mean of its divisors is an integer number (20240578710).

Almost surely, 2^161193107147 is an apocalyptic number.

161193107147 is a deficient number, since it is larger than the sum of its proper divisors (731522533).

161193107147 is a wasteful number, since it uses less digits than its factorization.

161193107147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259213.

The product of its (nonzero) digits is 31752, while the sum is 41.

The spelling of 161193107147 in words is "one hundred sixty-one billion, one hundred ninety-three million, one hundred seven thousand, one hundred forty-seven".