171607017042 has 48 divisors (see below), whose sum is σ = 398650267680. Its totient is φ = 54715271688.

The previous prime is 171607017017. The next prime is 171607017047. The reversal of 171607017042 is 240710706171.

171607017042 is a `hidden beast` number, since 1 + 7 + 1 + 607 + 0 + 1 + 7 + 0 + 42 = 666.

171607017042 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 171607016988 and 171607017006.

It is not an unprimeable number, because it can be changed into a prime (171607017047) 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 23 ways as a sum of consecutive naturals, for example, 2975128 + ... + 3032259.

It is an arithmetic number, because the mean of its divisors is an integer number (8305213910).

Almost surely, 2^171607017042 is an apocalyptic number.

171607017042 is an abundant number, since it is smaller than the sum of its proper divisors (227043250638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171607017042 is a wasteful number, since it uses less digits than its factorization.

171607017042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6007444 (or 6007415 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

The spelling of 171607017042 in words is "one hundred seventy-one billion, six hundred seven million, seventeen thousand, forty-two".