66124556014 has 24 divisors (see below), whose sum is σ = 112540446144. Its totient is φ = 29087044800.

The previous prime is 66124556011. The next prime is 66124556081. The reversal of 66124556014 is 41065542166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66124556011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4399627 + ... + 4414630.

It is an arithmetic number, because the mean of its divisors is an integer number (4689185256).

Almost surely, 2^66124556014 is an apocalyptic number.

66124556014 is a deficient number, since it is larger than the sum of its proper divisors (46415890130).

66124556014 is a wasteful number, since it uses less digits than its factorization.

66124556014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8814312 (or 8814301 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 66124556014 in words is "sixty-six billion, one hundred twenty-four million, five hundred fifty-six thousand, fourteen".