505066166 has 16 divisors (see below), whose sum is σ = 829697040. Its totient is φ = 228679680.

The previous prime is 505066157. The next prime is 505066171. The reversal of 505066166 is 661660505.

It is a congruent 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, 39011 + ... + 50318.

It is an arithmetic number, because the mean of its divisors is an integer number (51856065).

Almost surely, 2^505066166 is an apocalyptic number.

505066166 is a deficient number, since it is larger than the sum of its proper divisors (324630874).

505066166 is a wasteful number, since it uses less digits than its factorization.

505066166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89599.

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

The square root of 505066166 is about 22473.6771802035. The cubic root of 505066166 is about 796.3722018429.

The spelling of 505066166 in words is "five hundred five million, sixty-six thousand, one hundred sixty-six".