3666703370641 has 2 divisors, whose sum is σ = 3666703370642. Its totient is φ = 3666703370640.

The previous prime is 3666703370633. The next prime is 3666703370677. The reversal of 3666703370641 is 1460733076663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3246468825616 + 420234545025 = 1801796^2 + 648255^2 .

It is a cyclic number.

It is not a de Polignac number, because 3666703370641 - 2³ = 3666703370633 is a prime.

It is a super-3 number, since 3×3666703370641³ (a number of 39 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (3666703370041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833351685320 + 1833351685321.

It is an arithmetic number, because the mean of its divisors is an integer number (1833351685321).

Almost surely, 2^{3666703370641} is an apocalyptic number.

It is an amenable number.

3666703370641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3666703370641 is an equidigital number, since it uses as much as digits as its factorization.

3666703370641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6858432, while the sum is 52.

The spelling of 3666703370641 in words is "three trillion, six hundred sixty-six billion, seven hundred three million, three hundred seventy thousand, six hundred forty-one".