6164121617 has 2 divisors, whose sum is σ = 6164121618. Its totient is φ = 6164121616.

The previous prime is 6164121571. The next prime is 6164121631. The reversal of 6164121617 is 7161214616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5831460496 + 332661121 = 76364^2 + 18239^2 .

It is a cyclic number.

It is not a de Polignac number, because 6164121617 - 2¹⁶ = 6164056081 is a prime.

It is not a weakly prime, because it can be changed into another prime (6164121217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3082060808 + 3082060809.

It is an arithmetic number, because the mean of its divisors is an integer number (3082060809).

Almost surely, 2^6164121617 is an apocalyptic number.

It is an amenable number.

6164121617 is a deficient number, since it is larger than the sum of its proper divisors (1).

6164121617 is an equidigital number, since it uses as much as digits as its factorization.

6164121617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 35.

The square root of 6164121617 is about 78511.9202223459. The cubic root of 6164121617 is about 1833.5400452282.

The spelling of 6164121617 in words is "six billion, one hundred sixty-four million, one hundred twenty-one thousand, six hundred seventeen".