66014216440125 has 32 divisors (see below), whose sum is σ = 110285296377984. Its totient is φ = 35067312800000.

The previous prime is 66014216440121. The next prime is 66014216440157. The reversal of 66014216440125 is 52104461241066.

It is a happy number.

66014216440125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66014216440125 - 2² = 66014216440121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66014216440121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350579004 + ... + 350767253.

It is an arithmetic number, because the mean of its divisors is an integer number (3446415511812).

Almost surely, 2^{66014216440125} is an apocalyptic number.

It is an amenable number.

66014216440125 is a deficient number, since it is larger than the sum of its proper divisors (44271079937859).

66014216440125 is a wasteful number, since it uses less digits than its factorization.

66014216440125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701346526 (or 701346516 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 66014216440125 in words is "sixty-six trillion, fourteen billion, two hundred sixteen million, four hundred forty thousand, one hundred twenty-five".