499966164 has 54 divisors (see below), whose sum is σ = 1275389934. Its totient is φ = 165136320.

The previous prime is 499966081. The next prime is 499966183. The reversal of 499966164 is 461669994.

499966164 is a `hidden beast` number, since 499 + 96 + 6 + 1 + 64 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 44997264 + 454968900 = 6708^2 + 21330^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 499966164.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1804794 + ... + 1805070.

Almost surely, 2^499966164 is an apocalyptic number.

It is an amenable number.

499966164 is an abundant number, since it is smaller than the sum of its proper divisors (775423770).

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

499966164 is a wasteful number, since it uses less digits than its factorization.

499966164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 463 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The square root of 499966164 is about 22359.9231662365. The cubic root of 499966164 is about 793.6826218129.

The spelling of 499966164 in words is "four hundred ninety-nine million, nine hundred sixty-six thousand, one hundred sixty-four".