3278164618117 has 2 divisors, whose sum is σ = 3278164618118. Its totient is φ = 3278164618116.

The previous prime is 3278164618087. The next prime is 3278164618123. The reversal of 3278164618117 is 7118164618723.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3237574054276 + 40590563841 = 1799326^2 + 201471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3278164618117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3278164618187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1639082309058 + 1639082309059.

It is an arithmetic number, because the mean of its divisors is an integer number (1639082309059).

Almost surely, 2^{3278164618117} is an apocalyptic number.

It is an amenable number.

3278164618117 is a deficient number, since it is larger than the sum of its proper divisors (1).

3278164618117 is an equidigital number, since it uses as much as digits as its factorization.

3278164618117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 55.

The spelling of 3278164618117 in words is "three trillion, two hundred seventy-eight billion, one hundred sixty-four million, six hundred eighteen thousand, one hundred seventeen".