171066272038 has 16 divisors (see below), whose sum is σ = 270123246000. Its totient is φ = 81025810272.

The previous prime is 171066272021. The next prime is 171066272087. The reversal of 171066272038 is 830272660171.

It is a junction number, because it is equal to n+sod(n) for n = 171066271985 and 171066272003.

It is a congruent number.

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, 432808 + ... + 727636.

It is an arithmetic number, because the mean of its divisors is an integer number (16882702875).

Almost surely, 2^171066272038 is an apocalyptic number.

171066272038 is a deficient number, since it is larger than the sum of its proper divisors (99056973962).

171066272038 is a wasteful number, since it uses less digits than its factorization.

171066272038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310119.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 171066272038 in words is "one hundred seventy-one billion, sixty-six million, two hundred seventy-two thousand, thirty-eight".