66084159 has 8 divisors (see below), whose sum is σ = 88491312. Its totient is φ = 43866560.

The previous prime is 66084149. The next prime is 66084203. The reversal of 66084159 is 95148066.

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 66084159 - 2⁴ = 66084143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66084149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46572 + ... + 47969.

It is an arithmetic number, because the mean of its divisors is an integer number (11061414).

Almost surely, 2^66084159 is an apocalyptic number.

66084159 is a deficient number, since it is larger than the sum of its proper divisors (22407153).

66084159 is a wasteful number, since it uses less digits than its factorization.

66084159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94777.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 66084159 is about 8129.2163828994. The cubic root of 66084159 is about 404.2957001735.

The spelling of 66084159 in words is "sixty-six million, eighty-four thousand, one hundred fifty-nine".