171083590872 has 64 divisors (see below), whose sum is σ = 456730444800. Its totient is φ = 53285205120.

The previous prime is 171083590819. The next prime is 171083590883. The reversal of 171083590872 is 278095380171.

171083590872 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3943098 + ... + 3986249.

It is an arithmetic number, because the mean of its divisors is an integer number (7136413200).

Almost surely, 2^171083590872 is an apocalyptic number.

171083590872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

171083590872 is an abundant number, since it is smaller than the sum of its proper divisors (285646853928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171083590872 is a wasteful number, since it uses less digits than its factorization.

171083590872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7929416 (or 7929412 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 51.

The spelling of 171083590872 in words is "one hundred seventy-one billion, eighty-three million, five hundred ninety thousand, eight hundred seventy-two".