366627260641 has 2 divisors, whose sum is σ = 366627260642. Its totient is φ = 366627260640.

The previous prime is 366627260591. The next prime is 366627260651. The reversal of 366627260641 is 146062726663.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224980411041 + 141646849600 = 474321^2 + 376360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-366627260641 is a prime.

It is not a weakly prime, because it can be changed into another prime (366627260651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183313630320 + 183313630321.

It is an arithmetic number, because the mean of its divisors is an integer number (183313630321).

Almost surely, 2^366627260641 is an apocalyptic number.

It is an amenable number.

366627260641 is a deficient number, since it is larger than the sum of its proper divisors (1).

366627260641 is an equidigital number, since it uses as much as digits as its factorization.

366627260641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 49.

The spelling of 366627260641 in words is "three hundred sixty-six billion, six hundred twenty-seven million, two hundred sixty thousand, six hundred forty-one".