505166066 has 16 divisors (see below), whose sum is σ = 791653824. Its totient is φ = 241308144.

The previous prime is 505166063. The next prime is 505166099. The reversal of 505166066 is 660661505.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (505166063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34400 + ... + 46836.

It is an arithmetic number, because the mean of its divisors is an integer number (49478364).

Almost surely, 2^505166066 is an apocalyptic number.

505166066 is a deficient number, since it is larger than the sum of its proper divisors (286487758).

505166066 is a wasteful number, since it uses less digits than its factorization.

505166066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13345.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 505166066 is about 22475.8996705360. The cubic root of 505166066 is about 796.4247047581.

It can be divided in two parts, 5051 and 66066, that added together give a palindrome (71117).

The spelling of 505166066 in words is "five hundred five million, one hundred sixty-six thousand, sixty-six".