171547948066 has 16 divisors (see below), whose sum is σ = 281758383360. Its totient is φ = 77686462480.

The previous prime is 171547948063. The next prime is 171547948111. The reversal of 171547948066 is 660849745171.

171547948066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 171547948066.

It is not an unprimeable number, because it can be changed into a prime (171547948063) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14487826 + ... + 14499661.

It is an arithmetic number, because the mean of its divisors is an integer number (17609898960).

Almost surely, 2^171547948066 is an apocalyptic number.

171547948066 is a deficient number, since it is larger than the sum of its proper divisors (110210435294).

171547948066 is a wasteful number, since it uses less digits than its factorization.

171547948066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28987769.

The product of its (nonzero) digits is 10160640, while the sum is 58.

The spelling of 171547948066 in words is "one hundred seventy-one billion, five hundred forty-seven million, nine hundred forty-eight thousand, sixty-six".