171364508645 has 8 divisors (see below), whose sum is σ = 224331720480. Its totient is φ = 124628733520.

The previous prime is 171364508593. The next prime is 171364508647. The reversal of 171364508645 is 546805463171.

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

It is not a de Polignac number, because 171364508645 - 2²⁸ = 171096073189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 171364508593 and 171364508602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171364508647) 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, 1557859115 + ... + 1557859224.

It is an arithmetic number, because the mean of its divisors is an integer number (28041465060).

Almost surely, 2^171364508645 is an apocalyptic number.

It is an amenable number.

171364508645 is a deficient number, since it is larger than the sum of its proper divisors (52967211835).

171364508645 is a wasteful number, since it uses less digits than its factorization.

171364508645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115718355.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 171364508645 in words is "one hundred seventy-one billion, three hundred sixty-four million, five hundred eight thousand, six hundred forty-five".