66328067011741 has 2 divisors, whose sum is σ = 66328067011742. Its totient is φ = 66328067011740.

The previous prime is 66328067011709. The next prime is 66328067011751. The reversal of 66328067011741 is 14711076082366.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50520166924516 + 15807900087225 = 7107754^2 + 3975915^2 .

It is a cyclic number.

It is not a de Polignac number, because 66328067011741 - 2⁵ = 66328067011709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66328067011751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33164033505870 + 33164033505871.

It is an arithmetic number, because the mean of its divisors is an integer number (33164033505871).

Almost surely, 2^{66328067011741} is an apocalyptic number.

It is an amenable number.

66328067011741 is a deficient number, since it is larger than the sum of its proper divisors (1).

66328067011741 is an equidigital number, since it uses as much as digits as its factorization.

66328067011741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 66328067011741 in words is "sixty-six trillion, three hundred twenty-eight billion, sixty-seven million, eleven thousand, seven hundred forty-one".