61068164107 has 2 divisors, whose sum is σ = 61068164108. Its totient is φ = 61068164106.

The previous prime is 61068164051. The next prime is 61068164123. The reversal of 61068164107 is 70146186016.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61068164107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61068164107.

It is not a weakly prime, because it can be changed into another prime (61068164147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30534082053 + 30534082054.

It is an arithmetic number, because the mean of its divisors is an integer number (30534082054).

Almost surely, 2^61068164107 is an apocalyptic number.

61068164107 is a deficient number, since it is larger than the sum of its proper divisors (1).

61068164107 is an equidigital number, since it uses as much as digits as its factorization.

61068164107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 61068164107 in words is "sixty-one billion, sixty-eight million, one hundred sixty-four thousand, one hundred seven".