990110171 has 8 divisors (see below), whose sum is σ = 1006550688. Its totient is φ = 973800000.

The previous prime is 990110167. The next prime is 990110179. The reversal of 990110171 is 171011099.

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 990110171 - 2² = 990110167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (990110179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17210 + ... + 47711.

It is an arithmetic number, because the mean of its divisors is an integer number (125818836).

Almost surely, 2^990110171 is an apocalyptic number.

990110171 is a deficient number, since it is larger than the sum of its proper divisors (16440517).

990110171 is a wasteful number, since it uses less digits than its factorization.

990110171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65173.

The product of its (nonzero) digits is 567, while the sum is 29.

The square root of 990110171 is about 31466.0161285155. The cubic root of 990110171 is about 996.6924625909.

The spelling of 990110171 in words is "nine hundred ninety million, one hundred ten thousand, one hundred seventy-one".