506621066 has 16 divisors (see below), whose sum is σ = 869884800. Its totient is φ = 216775440.

The previous prime is 506621033. The next prime is 506621083. The reversal of 506621066 is 660126605.

It is a Curzon number.

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, 19841 + ... + 37508.

It is an arithmetic number, because the mean of its divisors is an integer number (54367800).

Almost surely, 2^506621066 is an apocalyptic number.

506621066 is a deficient number, since it is larger than the sum of its proper divisors (363263734).

506621066 is a wasteful number, since it uses less digits than its factorization.

506621066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57989.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 506621066 is about 22508.2444006635. The cubic root of 506621066 is about 797.1886035107.

The spelling of 506621066 in words is "five hundred six million, six hundred twenty-one thousand, sixty-six".