161710169387 has 8 divisors (see below), whose sum is σ = 179767136640. Its totient is φ = 144455734080.

The previous prime is 161710169333. The next prime is 161710169417. The reversal of 161710169387 is 783961017161.

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 161710169387 - 2¹⁰ = 161710168363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161710169087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200632562 + ... + 200633367.

It is an arithmetic number, because the mean of its divisors is an integer number (22470892080).

Almost surely, 2^161710169387 is an apocalyptic number.

161710169387 is a deficient number, since it is larger than the sum of its proper divisors (18056967253).

161710169387 is a wasteful number, since it uses less digits than its factorization.

161710169387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401265973.

The product of its (nonzero) digits is 381024, while the sum is 50.

The spelling of 161710169387 in words is "one hundred sixty-one billion, seven hundred ten million, one hundred sixty-nine thousand, three hundred eighty-seven".