506166066 has 24 divisors (see below), whose sum is σ = 1253363904. Its totient is φ = 144618840.

The previous prime is 506165987. The next prime is 506166103. The reversal of 506166066 is 660661605.

It is a self number, because there is not a number n which added to its sum of digits gives 506166066.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2008470 + ... + 2008721.

It is an arithmetic number, because the mean of its divisors is an integer number (52223496).

Almost surely, 2^506166066 is an apocalyptic number.

506166066 is an abundant number, since it is smaller than the sum of its proper divisors (747197838).

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

506166066 is a wasteful number, since it uses less digits than its factorization.

506166066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017206 (or 4017203 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 506166066 is about 22498.1347226831. The cubic root of 506166066 is about 796.9498784356.

The spelling of 506166066 in words is "five hundred six million, one hundred sixty-six thousand, sixty-six".