170140668 has 24 divisors (see below), whose sum is σ = 417889920. Its totient is φ = 53728560.

The previous prime is 170140667. The next prime is 170140681. The reversal of 170140668 is 866041071.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170140667) 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 7 ways as a sum of consecutive naturals, for example, 372888 + ... + 373343.

It is an arithmetic number, because the mean of its divisors is an integer number (17412080).

Almost surely, 2^170140668 is an apocalyptic number.

It is an amenable number.

170140668 is an abundant number, since it is smaller than the sum of its proper divisors (247749252).

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

170140668 is a wasteful number, since it uses less digits than its factorization.

170140668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746257 (or 746255 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 170140668 is about 13043.7980665142. The cubic root of 170140668 is about 554.1185781878.

The spelling of 170140668 in words is "one hundred seventy million, one hundred forty thousand, six hundred sixty-eight".