16453545161 has 2 divisors, whose sum is σ = 16453545162. Its totient is φ = 16453545160.

The previous prime is 16453545127. The next prime is 16453545179. The reversal of 16453545161 is 16154535461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13386490000 + 3067055161 = 115700^2 + 55381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16453545161 is a prime.

It is not a weakly prime, because it can be changed into another prime (16453545191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8226772580 + 8226772581.

It is an arithmetic number, because the mean of its divisors is an integer number (8226772581).

Almost surely, 2^16453545161 is an apocalyptic number.

It is an amenable number.

16453545161 is a deficient number, since it is larger than the sum of its proper divisors (1).

16453545161 is an equidigital number, since it uses as much as digits as its factorization.

16453545161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216000, while the sum is 41.

The spelling of 16453545161 in words is "sixteen billion, four hundred fifty-three million, five hundred forty-five thousand, one hundred sixty-one".