355666080841 has 2 divisors, whose sum is σ = 355666080842. Its totient is φ = 355666080840.

The previous prime is 355666080827. The next prime is 355666080857. The reversal of 355666080841 is 148080666553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307714278400 + 47951802441 = 554720^2 + 218979^2 .

It is an emirp because it is prime and its reverse (148080666553) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 355666080841 - 2¹¹ = 355666078793 is a prime.

It is a super-2 number, since 2×355666080841² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (355666080541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177833040420 + 177833040421.

It is an arithmetic number, because the mean of its divisors is an integer number (177833040421).

Almost surely, 2^355666080841 is an apocalyptic number.

It is an amenable number.

355666080841 is a deficient number, since it is larger than the sum of its proper divisors (1).

355666080841 is an equidigital number, since it uses as much as digits as its factorization.

355666080841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 355666080841 in words is "three hundred fifty-five billion, six hundred sixty-six million, eighty thousand, eight hundred forty-one".