66502505080883 has 16 divisors (see below), whose sum is σ = 67488531382272. Its totient is φ = 65525563980000.

The previous prime is 66502505080841. The next prime is 66502505080889. The reversal of 66502505080883 is 38808050520566.

66502505080883 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66502505080883 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66502505080889) 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 15 ways as a sum of consecutive naturals, for example, 7291238 + ... + 13644308.

It is an arithmetic number, because the mean of its divisors is an integer number (4218033211392).

Almost surely, 2^{66502505080883} is an apocalyptic number.

66502505080883 is a deficient number, since it is larger than the sum of its proper divisors (986026301389).

66502505080883 is a wasteful number, since it uses less digits than its factorization.

66502505080883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6353786.

The product of its (nonzero) digits is 13824000, while the sum is 56.

The spelling of 66502505080883 in words is "sixty-six trillion, five hundred two billion, five hundred five million, eighty thousand, eight hundred eighty-three".