3661165161443 has 2 divisors, whose sum is σ = 3661165161444. Its totient is φ = 3661165161442.

The previous prime is 3661165161419. The next prime is 3661165161463. The reversal of 3661165161443 is 3441615611663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3661165161443 - 2³⁸ = 3386287254499 is a prime.

It is not a weakly prime, because it can be changed into another prime (3661165161463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830582580721 + 1830582580722.

It is an arithmetic number, because the mean of its divisors is an integer number (1830582580722).

Almost surely, 2^{3661165161443} is an apocalyptic number.

3661165161443 is a deficient number, since it is larger than the sum of its proper divisors (1).

3661165161443 is an equidigital number, since it uses as much as digits as its factorization.

3661165161443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 47.

The spelling of 3661165161443 in words is "three trillion, six hundred sixty-one billion, one hundred sixty-five million, one hundred sixty-one thousand, four hundred forty-three".