3370036666681 has 2 divisors, whose sum is σ = 3370036666682. Its totient is φ = 3370036666680.

The previous prime is 3370036666669. The next prime is 3370036666687. The reversal of 3370036666681 is 1866666300733.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3319377911056 + 50658755625 = 1821916^2 + 225075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3370036666681 is a prime.

It is a super-2 number, since 2×3370036666681² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3370036666687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1685018333340 + 1685018333341.

It is an arithmetic number, because the mean of its divisors is an integer number (1685018333341).

Almost surely, 2^{3370036666681} is an apocalyptic number.

It is an amenable number.

3370036666681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3370036666681 is an equidigital number, since it uses as much as digits as its factorization.

3370036666681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11757312, while the sum is 55.

The spelling of 3370036666681 in words is "three trillion, three hundred seventy billion, thirty-six million, six hundred sixty-six thousand, six hundred eighty-one".