999160217 has 8 divisors (see below), whose sum is σ = 1097836320. Its totient is φ = 901791360.

The previous prime is 999160157. The next prime is 999160219. The reversal of 999160217 is 712061999.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999160217 is a prime.

It is a super-2 number, since 2×999160217² = 1996642278470974178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999160219) 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 7 ways as a sum of consecutive naturals, for example, 325208 + ... + 328265.

It is an arithmetic number, because the mean of its divisors is an integer number (137229540).

Almost surely, 2^999160217 is an apocalyptic number.

It is an amenable number.

999160217 is a deficient number, since it is larger than the sum of its proper divisors (98676103).

999160217 is a wasteful number, since it uses less digits than its factorization.

999160217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653623.

The product of its (nonzero) digits is 61236, while the sum is 44.

The square root of 999160217 is about 31609.4956777232. The cubic root of 999160217 is about 999.7199939373.

The spelling of 999160217 in words is "nine hundred ninety-nine million, one hundred sixty thousand, two hundred seventeen".