662101171 has 4 divisors (see below), whose sum is σ = 669540600. Its totient is φ = 654661744.

The previous prime is 662101163. The next prime is 662101213. The reversal of 662101171 is 171101266.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 662101171 - 2³ = 662101163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662101471) 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 3 ways as a sum of consecutive naturals, for example, 3719581 + ... + 3719758.

It is an arithmetic number, because the mean of its divisors is an integer number (167385150).

Almost surely, 2^662101171 is an apocalyptic number.

662101171 is a deficient number, since it is larger than the sum of its proper divisors (7439429).

662101171 is an equidigital number, since it uses as much as digits as its factorization.

662101171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7439428.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 662101171 is about 25731.3266467161. The cubic root of 662101171 is about 871.5817312513.

The spelling of 662101171 in words is "six hundred sixty-two million, one hundred one thousand, one hundred seventy-one".