171382045407 has 16 divisors (see below), whose sum is σ = 240664776960. Its totient is φ = 108183434112.

The previous prime is 171382045399. The next prime is 171382045441. The reversal of 171382045407 is 704540283171.

It is not a de Polignac number, because 171382045407 - 2³ = 171382045399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171382045477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695883 + ... + 909404.

It is an arithmetic number, because the mean of its divisors is an integer number (15041548560).

Almost surely, 2^171382045407 is an apocalyptic number.

171382045407 is a deficient number, since it is larger than the sum of its proper divisors (69282731553).

171382045407 is a wasteful number, since it uses less digits than its factorization.

171382045407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607182.

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 171382045407 in words is "one hundred seventy-one billion, three hundred eighty-two million, forty-five thousand, four hundred seven".