3321000161 has 2 divisors, whose sum is σ = 3321000162. Its totient is φ = 3321000160.

The previous prime is 3321000121. The next prime is 3321000173. The reversal of 3321000161 is 1610001233.

3321000161 is digitally balanced in base 2, 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., 2594374225 + 726625936 = 50935^2 + 26956^2 .

It is a cyclic number.

It is not a de Polignac number, because 3321000161 - 2²⁶ = 3253891297 is a prime.

It is a super-2 number, since 2×3321000161² = 22058084138724051842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3321000121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660500080 + 1660500081.

It is an arithmetic number, because the mean of its divisors is an integer number (1660500081).

Almost surely, 2^3321000161 is an apocalyptic number.

It is an amenable number.

3321000161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3321000161 is an equidigital number, since it uses as much as digits as its factorization.

3321000161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3321000161 is about 57628.1195337832. The cubic root of 3321000161 is about 1491.9569740903.

Adding to 3321000161 its reverse (1610001233), we get a palindrome (4931001394).

The spelling of 3321000161 in words is "three billion, three hundred twenty-one million, one hundred sixty-one", and thus it is an aban number.