171001668 has 24 divisors (see below), whose sum is σ = 399347872. Its totient is φ = 56951424.

The previous prime is 171001639. The next prime is 171001681. The reversal of 171001668 is 866100171.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10071 + ... + 21057.

Almost surely, 2^171001668 is an apocalyptic number.

It is an amenable number.

171001668 is an abundant number, since it is smaller than the sum of its proper divisors (228346204).

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

171001668 is a wasteful number, since it uses less digits than its factorization.

171001668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12291 (or 12289 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 171001668 is about 13076.7606080405. The cubic root of 171001668 is about 555.0517150090.

The spelling of 171001668 in words is "one hundred seventy-one million, one thousand, six hundred sixty-eight".