545316066 has 12 divisors (see below), whose sum is σ = 1181518182. Its totient is φ = 181772016.

The previous prime is 545316061. The next prime is 545316073. The reversal of 545316066 is 660613545.

545316066 is a `hidden beast` number, since 5 + 4 + 531 + 60 + 66 = 666.

It can be written as a sum of positive squares in only one way, i.e., 419225625 + 126090441 = 20475^2 + 11229^2 .

It is a super-3 number, since 3×545316066³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 545316066.

It is not an unprimeable number, because it can be changed into a prime (545316061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15147651 + ... + 15147686.

Almost surely, 2^545316066 is an apocalyptic number.

545316066 is an abundant number, since it is smaller than the sum of its proper divisors (636202116).

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

545316066 is a wasteful number, since it uses less digits than its factorization.

545316066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30295345 (or 30295342 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 545316066 is about 23352.0034686534. The cubic root of 545316066 is about 816.9887901733.

The spelling of 545316066 in words is "five hundred forty-five million, three hundred sixteen thousand, sixty-six".