66570567341 has 2 divisors, whose sum is σ = 66570567342. Its totient is φ = 66570567340.

The previous prime is 66570567337. The next prime is 66570567353. The reversal of 66570567341 is 14376507566.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47539261225 + 19031306116 = 218035^2 + 137954^2 .

It is a cyclic number.

It is not a de Polignac number, because 66570567341 - 2² = 66570567337 is a prime.

It is a super-2 number, since 2×66570567341² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 66570567341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66570567331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33285283670 + 33285283671.

It is an arithmetic number, because the mean of its divisors is an integer number (33285283671).

Almost surely, 2^66570567341 is an apocalyptic number.

It is an amenable number.

66570567341 is a deficient number, since it is larger than the sum of its proper divisors (1).

66570567341 is an equidigital number, since it uses as much as digits as its factorization.

66570567341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The spelling of 66570567341 in words is "sixty-six billion, five hundred seventy million, five hundred sixty-seven thousand, three hundred forty-one".