66084055 has 8 divisors (see below), whose sum is σ = 79358400. Its totient is φ = 52828896.

The previous prime is 66084047. The next prime is 66084059. The reversal of 66084055 is 55048066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66084055 - 2³ = 66084047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66084055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66084059) 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, 4386 + ... + 12304.

It is an arithmetic number, because the mean of its divisors is an integer number (9919800).

Almost surely, 2^66084055 is an apocalyptic number.

66084055 is a deficient number, since it is larger than the sum of its proper divisors (13274345).

66084055 is a wasteful number, since it uses less digits than its factorization.

66084055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9593.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 66084055 is about 8129.2099862164. The cubic root of 66084055 is about 404.2954880865.

The spelling of 66084055 in words is "sixty-six million, eighty-four thousand, fifty-five".