3670003366681 has 2 divisors, whose sum is σ = 3670003366682. Its totient is φ = 3670003366680.

The previous prime is 3670003366669. The next prime is 3670003366709. The reversal of 3670003366681 is 1866633000763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3669197715225 + 805651456 = 1915515^2 + 28384^2 .

It is a cyclic number.

It is not a de Polignac number, because 3670003366681 - 2⁵ = 3670003366649 is a prime.

It is a super-2 number, since 2×3670003366681² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3670003366661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1835001683340 + 1835001683341.

It is an arithmetic number, because the mean of its divisors is an integer number (1835001683341).

Almost surely, 2^{3670003366681} is an apocalyptic number.

It is an amenable number.

3670003366681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3670003366681 is an equidigital number, since it uses as much as digits as its factorization.

3670003366681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 49.

The spelling of 3670003366681 in words is "three trillion, six hundred seventy billion, three million, three hundred sixty-six thousand, six hundred eighty-one".