171062785042 has 16 divisors (see below), whose sum is σ = 261239580000. Its totient is φ = 83986217920.

The previous prime is 171062785031. The next prime is 171062785081. The reversal of 171062785042 is 240587260171.

It is a super-3 number, since 3×171062785042³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 171062785042.

It is an unprimeable number.

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, 718792 + ... + 926707.

It is an arithmetic number, because the mean of its divisors is an integer number (16327473750).

Almost surely, 2^171062785042 is an apocalyptic number.

171062785042 is a deficient number, since it is larger than the sum of its proper divisors (90176794958).

171062785042 is a wasteful number, since it uses less digits than its factorization.

171062785042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646441.

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 171062785042 in words is "one hundred seventy-one billion, sixty-two million, seven hundred eighty-five thousand, forty-two".