66051414663 has 16 divisors (see below), whose sum is σ = 94859105376. Its totient is φ = 40640146560.

The previous prime is 66051414659. The next prime is 66051414719. The reversal of 66051414663 is 36641415066.

It is not a de Polignac number, because 66051414663 - 2² = 66051414659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66051414613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95173 + ... + 375713.

It is an arithmetic number, because the mean of its divisors is an integer number (5928694086).

Almost surely, 2^66051414663 is an apocalyptic number.

66051414663 is a deficient number, since it is larger than the sum of its proper divisors (28807690713).

66051414663 is a wasteful number, since it uses less digits than its factorization.

66051414663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286594.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 66051414663 in words is "sixty-six billion, fifty-one million, four hundred fourteen thousand, six hundred sixty-three".