66746307311 has 2 divisors, whose sum is σ = 66746307312. Its totient is φ = 66746307310.

The previous prime is 66746307289. The next prime is 66746307337. The reversal of 66746307311 is 11370364766.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66746307311 - 2²² = 66742113007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66746307011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33373153655 + 33373153656.

It is an arithmetic number, because the mean of its divisors is an integer number (33373153656).

Almost surely, 2^66746307311 is an apocalyptic number.

66746307311 is a deficient number, since it is larger than the sum of its proper divisors (1).

66746307311 is an equidigital number, since it uses as much as digits as its factorization.

66746307311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 66746307311 in words is "sixty-six billion, seven hundred forty-six million, three hundred seven thousand, three hundred eleven".