171773064142 has 8 divisors (see below), whose sum is σ = 257662494000. Its totient is φ = 85885566144.

The previous prime is 171773064121. The next prime is 171773064167. The reversal of 171773064142 is 241460377171.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235267 + ... + 631582.

It is an arithmetic number, because the mean of its divisors is an integer number (32207811750).

Almost surely, 2^171773064142 is an apocalyptic number.

171773064142 is a deficient number, since it is larger than the sum of its proper divisors (85889429858).

171773064142 is an equidigital number, since it uses as much as digits as its factorization.

171773064142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965930.

The product of its (nonzero) digits is 197568, while the sum is 43.

The spelling of 171773064142 in words is "one hundred seventy-one billion, seven hundred seventy-three million, sixty-four thousand, one hundred forty-two".