6116665361 has 2 divisors, whose sum is σ = 6116665362. Its totient is φ = 6116665360.

The previous prime is 6116665351. The next prime is 6116665367. The reversal of 6116665361 is 1635666116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5761569025 + 355096336 = 75905^2 + 18844^2 .

It is a cyclic number.

It is not a de Polignac number, because 6116665361 - 2¹⁸ = 6116403217 is a prime.

It is not a weakly prime, because it can be changed into another prime (6116665367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3058332680 + 3058332681.

It is an arithmetic number, because the mean of its divisors is an integer number (3058332681).

Almost surely, 2^6116665361 is an apocalyptic number.

It is an amenable number.

6116665361 is a deficient number, since it is larger than the sum of its proper divisors (1).

6116665361 is an equidigital number, since it uses as much as digits as its factorization.

6116665361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The square root of 6116665361 is about 78209.1130303880. The cubic root of 6116665361 is about 1828.8225737472.

The spelling of 6116665361 in words is "six billion, one hundred sixteen million, six hundred sixty-five thousand, three hundred sixty-one".