3366170577221 has 2 divisors, whose sum is σ = 3366170577222. Its totient is φ = 3366170577220.

The previous prime is 3366170577151. The next prime is 3366170577281. The reversal of 3366170577221 is 1227750716633.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1866464186596 + 1499706390625 = 1366186^2 + 1224625^2 .

It is a cyclic number.

It is not a de Polignac number, because 3366170577221 - 2¹⁸ = 3366170315077 is a prime.

It is a super-2 number, since 2×3366170577221² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3366170577221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3366170577281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1683085288610 + 1683085288611.

It is an arithmetic number, because the mean of its divisors is an integer number (1683085288611).

Almost surely, 2^{3366170577221} is an apocalyptic number.

It is an amenable number.

3366170577221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3366170577221 is an equidigital number, since it uses as much as digits as its factorization.

3366170577221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2222640, while the sum is 50.

The spelling of 3366170577221 in words is "three trillion, three hundred sixty-six billion, one hundred seventy million, five hundred seventy-seven thousand, two hundred twenty-one".