499143168 has 80 divisors (see below), whose sum is σ = 1477539360. Its totient is φ = 166376448.

The previous prime is 499143133. The next prime is 499143181. The reversal of 499143168 is 861341994.

499143168 is a `hidden beast` number, since 499 + 143 + 16 + 8 = 666.

It is a super-2 number, since 2×499143168² = 498287804322152448, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4230 + ... + 31877.

It is an arithmetic number, because the mean of its divisors is an integer number (18469242).

Almost surely, 2^499143168 is an apocalyptic number.

499143168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499143168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738769680).

499143168 is an abundant number, since it is smaller than the sum of its proper divisors (978396192).

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

499143168 is an equidigital number, since it uses as much as digits as its factorization.

499143168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36134 (or 36112 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 499143168 is about 22341.5122138140. The cubic root of 499143168 is about 793.2468880850.

The spelling of 499143168 in words is "four hundred ninety-nine million, one hundred forty-three thousand, one hundred sixty-eight".