171006913 has 12 divisors (see below), whose sum is σ = 217011312. Its totient is φ = 133251720.

The previous prime is 171006907. The next prime is 171006917. The reversal of 171006913 is 319600171.

It is not a de Polignac number, because 171006913 - 2⁹ = 171006401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (171006917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158095 + ... + 159172.

It is an arithmetic number, because the mean of its divisors is an integer number (18084276).

Almost surely, 2^171006913 is an apocalyptic number.

It is an amenable number.

171006913 is a deficient number, since it is larger than the sum of its proper divisors (46004399).

171006913 is a wasteful number, since it uses less digits than its factorization.

171006913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317292 (or 317285 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 171006913 is about 13076.9611531120. The cubic root of 171006913 is about 555.0573898395.

The spelling of 171006913 in words is "one hundred seventy-one million, six thousand, nine hundred thirteen".