66127485 has 8 divisors (see below), whose sum is σ = 105804000. Its totient is φ = 35267984.

The previous prime is 66127471. The next prime is 66127489. The reversal of 66127485 is 58472166.

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 66127485 - 2⁴ = 66127469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66127489) 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, 2204235 + ... + 2204264.

It is an arithmetic number, because the mean of its divisors is an integer number (13225500).

Almost surely, 2^66127485 is an apocalyptic number.

It is an amenable number.

66127485 is a deficient number, since it is larger than the sum of its proper divisors (39676515).

66127485 is a wasteful number, since it uses less digits than its factorization.

66127485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4408507.

The product of its digits is 80640, while the sum is 39.

The square root of 66127485 is about 8131.8807787621. The cubic root of 66127485 is about 404.3840354575.

The spelling of 66127485 in words is "sixty-six million, one hundred twenty-seven thousand, four hundred eighty-five".