7004040161 has 2 divisors, whose sum is σ = 7004040162. Its totient is φ = 7004040160.

The previous prime is 7004040139. The next prime is 7004040181. The reversal of 7004040161 is 1610404007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6951390625 + 52649536 = 83375^2 + 7256^2 .

It is an emirp because it is prime and its reverse (1610404007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7004040161 - 2¹⁰ = 7004039137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7004040101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3502020080 + 3502020081.

It is an arithmetic number, because the mean of its divisors is an integer number (3502020081).

Almost surely, 2^7004040161 is an apocalyptic number.

It is an amenable number.

7004040161 is a deficient number, since it is larger than the sum of its proper divisors (1).

7004040161 is an equidigital number, since it uses as much as digits as its factorization.

7004040161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 7004040161 is about 83690.1437506233. The cubic root of 7004040161 is about 1913.2991381796.

Adding to 7004040161 its reverse (1610404007), we get a palindrome (8614444168).

The spelling of 7004040161 in words is "seven billion, four million, forty thousand, one hundred sixty-one".