67076330227681 has 2 divisors, whose sum is σ = 67076330227682. Its totient is φ = 67076330227680.

The previous prime is 67076330227661. The next prime is 67076330227703. The reversal of 67076330227681 is 18672203367076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43451286714081 + 23625043513600 = 6591759^2 + 4860560^2 .

It is a cyclic number.

It is not a de Polignac number, because 67076330227681 - 2²⁹ = 67075793356769 is a prime.

It is a super-2 number, since 2×67076330227681² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67076330227631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33538165113840 + 33538165113841.

It is an arithmetic number, because the mean of its divisors is an integer number (33538165113841).

Almost surely, 2^{67076330227681} is an apocalyptic number.

It is an amenable number.

67076330227681 is a deficient number, since it is larger than the sum of its proper divisors (1).

67076330227681 is an equidigital number, since it uses as much as digits as its factorization.

67076330227681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21337344, while the sum is 58.

The spelling of 67076330227681 in words is "sixty-seven trillion, seventy-six billion, three hundred thirty million, two hundred twenty-seven thousand, six hundred eighty-one".