3166205150561 has 2 divisors, whose sum is σ = 3166205150562. Its totient is φ = 3166205150560.

The previous prime is 3166205150519. The next prime is 3166205150567. The reversal of 3166205150561 is 1650515026613.

3166205150561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2880338488336 + 285866662225 = 1697156^2 + 534665^2 .

It is a cyclic number.

It is not a de Polignac number, because 3166205150561 - 2¹⁸ = 3166204888417 is a prime.

It is a super-2 number, since 2×3166205150561² (a number of 26 digits) contains 22 as substring.

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 (3166205150567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1583102575280 + 1583102575281.

It is an arithmetic number, because the mean of its divisors is an integer number (1583102575281).

Almost surely, 2^{3166205150561} is an apocalyptic number.

It is an amenable number.

3166205150561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3166205150561 is an equidigital number, since it uses as much as digits as its factorization.

3166205150561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 3166205150561 in words is "three trillion, one hundred sixty-six billion, two hundred five million, one hundred fifty thousand, five hundred sixty-one".