66084205 has 8 divisors (see below), whose sum is σ = 86510304. Its totient is φ = 48061200.

The previous prime is 66084203. The next prime is 66084247. The reversal of 66084205 is 50248066.

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

It is not a de Polignac number, because 66084205 - 2¹ = 66084203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66084203) 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, 600711 + ... + 600820.

It is an arithmetic number, because the mean of its divisors is an integer number (10813788).

Almost surely, 2^66084205 is an apocalyptic number.

It is an amenable number.

66084205 is a deficient number, since it is larger than the sum of its proper divisors (20426099).

66084205 is a wasteful number, since it uses less digits than its factorization.

66084205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201547.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 66084205 is about 8129.2192121999. The cubic root of 66084205 is about 404.2957939812.

The spelling of 66084205 in words is "sixty-six million, eighty-four thousand, two hundred five".