3216604661267 has 2 divisors, whose sum is σ = 3216604661268. Its totient is φ = 3216604661266.

The previous prime is 3216604661243. The next prime is 3216604661269. The reversal of 3216604661267 is 7621664066123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3216604661267 - 2¹² = 3216604657171 is a prime.

Together with 3216604661269, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3216604661269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608302330633 + 1608302330634.

It is an arithmetic number, because the mean of its divisors is an integer number (1608302330634).

Almost surely, 2^{3216604661267} is an apocalyptic number.

3216604661267 is a deficient number, since it is larger than the sum of its proper divisors (1).

3216604661267 is an equidigital number, since it uses as much as digits as its factorization.

3216604661267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 3216604661267 in words is "three trillion, two hundred sixteen billion, six hundred four million, six hundred sixty-one thousand, two hundred sixty-seven".