999160 has 16 divisors (see below), whose sum is σ = 2248200. Its totient is φ = 399648.

The previous prime is 999149. The next prime is 999169. The reversal of 999160 is 61999.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999169) by changing a digit.

999160 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12450 + ... + 12529.

2⁹⁹⁹¹⁶⁰ is an apocalyptic number.

It is an amenable number.

999160 is an abundant number, since it is smaller than the sum of its proper divisors (1249040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999160 is a wasteful number, since it uses less digits than its factorization.

999160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24990 (or 24986 counting only the distinct ones).

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

The square root of 999160 is about 999.5799117629. The cubic root of 999160 is about 99.9719921563.

The spelling of 999160 in words is "nine hundred ninety-nine thousand, one hundred sixty".