2205161600669 has 2 divisors, whose sum is σ = 2205161600670. Its totient is φ = 2205161600668.

The previous prime is 2205161600627. The next prime is 2205161600699. The reversal of 2205161600669 is 9660061615022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2017337308900 + 187824291769 = 1420330^2 + 433387^2 .

It is a cyclic number.

It is not a de Polignac number, because 2205161600669 - 2⁸ = 2205161600413 is a prime.

It is a super-2 number, since 2×2205161600669² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2205161600699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102580800334 + 1102580800335.

It is an arithmetic number, because the mean of its divisors is an integer number (1102580800335).

Almost surely, 2^{2205161600669} is an apocalyptic number.

It is an amenable number.

2205161600669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205161600669 is an equidigital number, since it uses as much as digits as its factorization.

2205161600669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 2205161600669 in words is "two trillion, two hundred five billion, one hundred sixty-one million, six hundred thousand, six hundred sixty-nine".