171604442182145 has 48 divisors (see below), whose sum is σ = 247929238411200. Its totient is φ = 113557469800320.

The previous prime is 171604442182099. The next prime is 171604442182153. The reversal of 171604442182145 is 541281244406171.

It is not a de Polignac number, because 171604442182145 - 2²² = 171604437987841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 171604442182093 and 171604442182102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8283026 + ... + 20293284.

It is an arithmetic number, because the mean of its divisors is an integer number (5165192466900).

Almost surely, 2^{171604442182145} is an apocalyptic number.

It is an amenable number.

171604442182145 is a deficient number, since it is larger than the sum of its proper divisors (76324796229055).

171604442182145 is a wasteful number, since it uses less digits than its factorization.

171604442182145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12012318 (or 12012311 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 50.

The spelling of 171604442182145 in words is "one hundred seventy-one trillion, six hundred four billion, four hundred forty-two million, one hundred eighty-two thousand, one hundred forty-five".