667655265341 has 2 divisors, whose sum is σ = 667655265342. Its totient is φ = 667655265340.

The previous prime is 667655265323. The next prime is 667655265359. The reversal of 667655265341 is 143562556766.

It is a balanced prime because it is at equal distance from previous prime (667655265323) and next prime (667655265359).

It can be written as a sum of positive squares in only one way, i.e., 342494152900 + 325161112441 = 585230^2 + 570229^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-667655265341 is a prime.

It is a super-2 number, since 2×667655265341² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667655265311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333827632670 + 333827632671.

It is an arithmetic number, because the mean of its divisors is an integer number (333827632671).

Almost surely, 2^667655265341 is an apocalyptic number.

It is an amenable number.

667655265341 is a deficient number, since it is larger than the sum of its proper divisors (1).

667655265341 is an equidigital number, since it uses as much as digits as its factorization.

667655265341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216000, while the sum is 56.

The spelling of 667655265341 in words is "six hundred sixty-seven billion, six hundred fifty-five million, two hundred sixty-five thousand, three hundred forty-one".