499161 has 8 divisors (see below), whose sum is σ = 716800. Its totient is φ = 307152.

The previous prime is 499159. The next prime is 499181. The reversal of 499161 is 161994.

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

It is not a de Polignac number, because 499161 - 2¹ = 499159 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 499161.

It is not an unprimeable number, because it can be changed into a prime (499141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6361 + ... + 6438.

It is an arithmetic number, because the mean of its divisors is an integer number (89600).

2⁴⁹⁹¹⁶¹ is an apocalyptic number.

It is an amenable number.

499161 is a deficient number, since it is larger than the sum of its proper divisors (217639).

499161 is a wasteful number, since it uses less digits than its factorization.

499161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12815.

The product of its digits is 1944, while the sum is 30.

The square root of 499161 is about 706.5132695145. The cubic root of 499161 is about 79.3256334279.

Adding to 499161 its product of digits (1944), we get a palindrome (501105).

The spelling of 499161 in words is "four hundred ninety-nine thousand, one hundred sixty-one".