16453545187 has 2 divisors, whose sum is σ = 16453545188. Its totient is φ = 16453545186.

The previous prime is 16453545179. The next prime is 16453545191. The reversal of 16453545187 is 78154535461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16453545187 - 2³ = 16453545179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16453545187.

It is not a weakly prime, because it can be changed into another prime (16453545127) 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, 8226772593 + 8226772594.

It is an arithmetic number, because the mean of its divisors is an integer number (8226772594).

Almost surely, 2^16453545187 is an apocalyptic number.

16453545187 is a deficient number, since it is larger than the sum of its proper divisors (1).

16453545187 is an equidigital number, since it uses as much as digits as its factorization.

16453545187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016000, while the sum is 49.

The spelling of 16453545187 in words is "sixteen billion, four hundred fifty-three million, five hundred forty-five thousand, one hundred eighty-seven".