66762193709363 has 2 divisors, whose sum is σ = 66762193709364. Its totient is φ = 66762193709362.

The previous prime is 66762193709357. The next prime is 66762193709399. The reversal of 66762193709363 is 36390739126766.

66762193709363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66762193709363 - 2³⁴ = 66745013840179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66762193709293 and 66762193709302.

It is not a weakly prime, because it can be changed into another prime (66762193409363) 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 as a sum of consecutive naturals, namely, 33381096854681 + 33381096854682.

It is an arithmetic number, because the mean of its divisors is an integer number (33381096854682).

Almost surely, 2^{66762193709363} is an apocalyptic number.

66762193709363 is a deficient number, since it is larger than the sum of its proper divisors (1).

66762193709363 is an equidigital number, since it uses as much as digits as its factorization.

66762193709363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 277766496, while the sum is 68.

The spelling of 66762193709363 in words is "sixty-six trillion, seven hundred sixty-two billion, one hundred ninety-three million, seven hundred nine thousand, three hundred sixty-three".