171006642203 has 8 divisors (see below), whose sum is σ = 171815234160. Its totient is φ = 170199469440.

The previous prime is 171006642187. The next prime is 171006642227. The reversal of 171006642203 is 302246600171.

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 171006642203 - 2⁴ = 171006642187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 171006642203.

It is not an unprimeable number, because it can be changed into a prime (171006642263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112850 + ... + 595607.

It is an arithmetic number, because the mean of its divisors is an integer number (21476904270).

Almost surely, 2^171006642203 is an apocalyptic number.

171006642203 is a deficient number, since it is larger than the sum of its proper divisors (808591957).

171006642203 is an equidigital number, since it uses as much as digits as its factorization.

171006642203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709597.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 171006642203 in words is "one hundred seventy-one billion, six million, six hundred forty-two thousand, two hundred three".