99170171 has 8 divisors (see below), whose sum is σ = 99973440. Its totient is φ = 98370568.

The previous prime is 99170167. The next prime is 99170179. The reversal of 99170171 is 17107199.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99170171 - 2² = 99170167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99170179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78140 + ... + 79398.

It is an arithmetic number, because the mean of its divisors is an integer number (12496680).

Almost surely, 2^99170171 is an apocalyptic number.

99170171 is a deficient number, since it is larger than the sum of its proper divisors (803269).

99170171 is a wasteful number, since it uses less digits than its factorization.

99170171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833.

The product of its (nonzero) digits is 3969, while the sum is 35.

The square root of 99170171 is about 9958.4221139697. The cubic root of 99170171 is about 462.8714071429.

The spelling of 99170171 in words is "ninety-nine million, one hundred seventy thousand, one hundred seventy-one".