3666700033361 has 2 divisors, whose sum is σ = 3666700033362. Its totient is φ = 3666700033360.

The previous prime is 3666700033351. The next prime is 3666700033391. The reversal of 3666700033361 is 1633300076663.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3400114723600 + 266585309761 = 1843940^2 + 516319^2 .

It is an emirp because it is prime and its reverse (1633300076663) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3666700033361 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3666700033351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833350016680 + 1833350016681.

It is an arithmetic number, because the mean of its divisors is an integer number (1833350016681).

Almost surely, 2^{3666700033361} is an apocalyptic number.

It is an amenable number.

3666700033361 is a deficient number, since it is larger than the sum of its proper divisors (1).

3666700033361 is an equidigital number, since it uses as much as digits as its factorization.

3666700033361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 44.

The spelling of 3666700033361 in words is "three trillion, six hundred sixty-six billion, seven hundred million, thirty-three thousand, three hundred sixty-one".