499516568 has 16 divisors (see below), whose sum is σ = 936902160. Its totient is φ = 249676000.

The previous prime is 499516543. The next prime is 499516579. The reversal of 499516568 is 865615994.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21173 + ... + 38043.

It is an arithmetic number, because the mean of its divisors is an integer number (58556385).

Almost surely, 2^499516568 is an apocalyptic number.

It is an amenable number.

499516568 is a deficient number, since it is larger than the sum of its proper divisors (437385592).

499516568 is a wasteful number, since it uses less digits than its factorization.

499516568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20578 (or 20574 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 53.

The square root of 499516568 is about 22349.8672926709. The cubic root of 499516568 is about 793.4446433433. Note that the first 3 decimals are identical.

The spelling of 499516568 in words is "four hundred ninety-nine million, five hundred sixteen thousand, five hundred sixty-eight".