499966163 has 4 divisors (see below), whose sum is σ = 513478800. Its totient is φ = 486453528.

The previous prime is 499966081. The next prime is 499966183. The reversal of 499966163 is 361669994.

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 499966163 - 2¹⁰ = 499965139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499966183) 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, 6756263 + ... + 6756336.

It is an arithmetic number, because the mean of its divisors is an integer number (128369700).

Almost surely, 2^499966163 is an apocalyptic number.

499966163 is a deficient number, since it is larger than the sum of its proper divisors (13512637).

499966163 is a wasteful number, since it uses less digits than its factorization.

499966163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13512636.

The product of its digits is 1889568, while the sum is 53.

The square root of 499966163 is about 22359.9231438751. The cubic root of 499966163 is about 793.6826212837.

The spelling of 499966163 in words is "four hundred ninety-nine million, nine hundred sixty-six thousand, one hundred sixty-three".