499993164 has 72 divisors (see below), whose sum is σ = 1410881472. Its totient is φ = 147984480.

The previous prime is 499993139. The next prime is 499993177. The reversal of 499993164 is 461399994.

499993164 is a `hidden beast` number, since 499 + 9 + 93 + 1 + 64 = 666.

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 499993164.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2347 + ... + 31709.

It is an arithmetic number, because the mean of its divisors is an integer number (19595576).

Almost surely, 2^499993164 is an apocalyptic number.

499993164 is a gapful number since it is divisible by the number (44) 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 499993164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705440736).

499993164 is an abundant number, since it is smaller than the sum of its proper divisors (910888308).

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

499993164 is a wasteful number, since it uses less digits than its factorization.

499993164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29427 (or 29422 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 54.

The square root of 499993164 is about 22360.5269168685. The cubic root of 499993164 is about 793.6969088098.

The spelling of 499993164 in words is "four hundred ninety-nine million, nine hundred ninety-three thousand, one hundred sixty-four".