506450066 has 16 divisors (see below), whose sum is σ = 764118360. Its totient is φ = 251748480.

The previous prime is 506450047. The next prime is 506450083. The reversal of 506450066 is 660054605.

It can be written as a sum of positive squares in 4 ways, for example, as 201214225 + 305235841 = 14185^2 + 17471^2 .

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, 408800 + ... + 410036.

Almost surely, 2^506450066 is an apocalyptic number.

506450066 is a deficient number, since it is larger than the sum of its proper divisors (257668294).

506450066 is a wasteful number, since it uses less digits than its factorization.

506450066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 506450066 is about 22504.4454719506. The cubic root of 506450066 is about 797.0989016273.

The spelling of 506450066 in words is "five hundred six million, four hundred fifty thousand, sixty-six".