567666383666761 has 2 divisors, whose sum is σ = 567666383666762. Its totient is φ = 567666383666760.

The previous prime is 567666383666749. The next prime is 567666383666801. The reversal of 567666383666761 is 167666383666765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426739949559225 + 140926434107536 = 20657685^2 + 11871244^2 .

It is a cyclic number.

It is not a de Polignac number, because 567666383666761 - 2²³ = 567666375278153 is a prime.

It is a super-2 number, since 2×567666383666761² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (567666383666741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283833191833380 + 283833191833381.

It is an arithmetic number, because the mean of its divisors is an integer number (283833191833381).

Almost surely, 2^{567666383666761} is an apocalyptic number.

It is an amenable number.

567666383666761 is a deficient number, since it is larger than the sum of its proper divisors (1).

567666383666761 is an equidigital number, since it uses as much as digits as its factorization.

567666383666761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29628426240, while the sum is 82.

The spelling of 567666383666761 in words is "five hundred sixty-seven trillion, six hundred sixty-six billion, three hundred eighty-three million, six hundred sixty-six thousand, seven hundred sixty-one".