171056422072 has 16 divisors (see below), whose sum is σ = 321082869600. Its totient is φ = 85434323520.

The previous prime is 171056422003. The next prime is 171056422079. The reversal of 171056422072 is 270224650171.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171056422079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11728197 + ... + 11742772.

It is an arithmetic number, because the mean of its divisors is an integer number (20067679350).

Almost surely, 2^171056422072 is an apocalyptic number.

It is an amenable number.

171056422072 is a deficient number, since it is larger than the sum of its proper divisors (150026447528).

171056422072 is a wasteful number, since it uses less digits than its factorization.

171056422072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23471886 (or 23471882 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The spelling of 171056422072 in words is "one hundred seventy-one billion, fifty-six million, four hundred twenty-two thousand, seventy-two".