16003741181 has 2 divisors, whose sum is σ = 16003741182. Its totient is φ = 16003741180.

The previous prime is 16003741099. The next prime is 16003741199. The reversal of 16003741181 is 18114730061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13550124025 + 2453617156 = 116405^2 + 49534^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16003741181 is a prime.

It is a super-2 number, since 2×16003741181² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16003746181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8001870590 + 8001870591.

It is an arithmetic number, because the mean of its divisors is an integer number (8001870591).

Almost surely, 2^16003741181 is an apocalyptic number.

It is an amenable number.

16003741181 is a deficient number, since it is larger than the sum of its proper divisors (1).

16003741181 is an equidigital number, since it uses as much as digits as its factorization.

16003741181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 16003741181 in words is "sixteen billion, three million, seven hundred forty-one thousand, one hundred eighty-one".