16030418561 has 2 divisors, whose sum is σ = 16030418562. Its totient is φ = 16030418560.

The previous prime is 16030418557. The next prime is 16030418611. The reversal of 16030418561 is 16581403061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8218510336 + 7811908225 = 90656^2 + 88385^2 .

It is an emirp because it is prime and its reverse (16581403061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16030418561 - 2² = 16030418557 is a prime.

It is not a weakly prime, because it can be changed into another prime (16030418501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8015209280 + 8015209281.

It is an arithmetic number, because the mean of its divisors is an integer number (8015209281).

Almost surely, 2^16030418561 is an apocalyptic number.

It is an amenable number.

16030418561 is a deficient number, since it is larger than the sum of its proper divisors (1).

16030418561 is an equidigital number, since it uses as much as digits as its factorization.

16030418561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 16030418561 in words is "sixteen billion, thirty million, four hundred eighteen thousand, five hundred sixty-one".