66127056 has 40 divisors (see below), whose sum is σ = 171120000. Its totient is φ = 22004736.

The previous prime is 66127051. The next prime is 66127067. The reversal of 66127056 is 65072166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66127051) 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 7 ways as a sum of consecutive naturals, for example, 52320 + ... + 53568.

It is an arithmetic number, because the mean of its divisors is an integer number (4278000).

Almost surely, 2^66127056 is an apocalyptic number.

It is an amenable number.

66127056 is an abundant number, since it is smaller than the sum of its proper divisors (104992944).

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

66127056 is a wasteful number, since it uses less digits than its factorization.

66127056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363 (or 2357 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 66127056 is about 8131.8544010576. The cubic root of 66127056 is about 404.3831609793.

The spelling of 66127056 in words is "sixty-six million, one hundred twenty-seven thousand, fifty-six".