66016755765662 has 32 divisors (see below), whose sum is σ = 106790536968192. Its totient is φ = 30426965309664.

The previous prime is 66016755765641. The next prime is 66016755765671. The reversal of 66016755765662 is 26656755761066.

66016755765662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 66016755765592 and 66016755765601.

It is a congruent number.

It is an unprimeable number.

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, 566867123 + ... + 566983569.

It is an arithmetic number, because the mean of its divisors is an integer number (3337204280256).

Almost surely, 2^{66016755765662} is an apocalyptic number.

66016755765662 is a deficient number, since it is larger than the sum of its proper divisors (40773781202530).

66016755765662 is a wasteful number, since it uses less digits than its factorization.

66016755765662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146552.

The product of its (nonzero) digits is 571536000, while the sum is 68.

The spelling of 66016755765662 in words is "sixty-six trillion, sixteen billion, seven hundred fifty-five million, seven hundred sixty-five thousand, six hundred sixty-two".