160000999 has 4 divisors (see below), whose sum is σ = 160243720. Its totient is φ = 159758280.

The previous prime is 160000937. The next prime is 160001003. The reversal of 160000999 is 999000061.

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 160000999 - 2⁷ = 160000871 is a prime.

It is a Duffinian number.

160000999 is a modest number, since divided by 999 gives 160 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160000909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120369 + ... + 121690.

It is an arithmetic number, because the mean of its divisors is an integer number (40060930).

Almost surely, 2^160000999 is an apocalyptic number.

160000999 is a deficient number, since it is larger than the sum of its proper divisors (242721).

160000999 is an equidigital number, since it uses as much as digits as its factorization.

160000999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242720.

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 160000999 is about 12649.1501295542. The cubic root of 160000999 is about 542.8846531930.

The spelling of 160000999 in words is "one hundred sixty million, nine hundred ninety-nine", and thus it is an aban number.