3168961 has 2 divisors, whose sum is σ = 3168962. Its totient is φ = 3168960.

The previous prime is 3168959. The next prime is 3168973. The reversal of 3168961 is 1698613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2873025 + 295936 = 1695^2 + 544^2 .

It is a cyclic number.

It is not a de Polignac number, because 3168961 - 2¹ = 3168959 is a prime.

Together with 3168959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3168911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1584480 + 1584481.

It is an arithmetic number, because the mean of its divisors is an integer number (1584481).

Almost surely, 2^3168961 is an apocalyptic number.

It is an amenable number.

3168961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3168961 is an equidigital number, since it uses as much as digits as its factorization.

3168961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 34.

The square root of 3168961 is about 1780.1575772948. The cubic root of 3168961 is about 146.8832583858.

The spelling of 3168961 in words is "three million, one hundred sixty-eight thousand, nine hundred sixty-one".