171106047 has 32 divisors (see below), whose sum is σ = 290649600. Its totient is φ = 97455744.

The previous prime is 171106027. The next prime is 171106057. The reversal of 171106047 is 740601171.

It is not a de Polignac number, because 171106047 - 2⁶ = 171105983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 171106047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171106027) 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 31 ways as a sum of consecutive naturals, for example, 64279 + ... + 66887.

It is an arithmetic number, because the mean of its divisors is an integer number (9082800).

Almost surely, 2^171106047 is an apocalyptic number.

171106047 is a deficient number, since it is larger than the sum of its proper divisors (119543553).

171106047 is a wasteful number, since it uses less digits than its factorization.

171106047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972 (or 2966 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 171106047 is about 13080.7510105498. The cubic root of 171106047 is about 555.1646261084.

The spelling of 171106047 in words is "one hundred seventy-one million, one hundred six thousand, forty-seven".