16740445187 has 2 divisors, whose sum is σ = 16740445188. Its totient is φ = 16740445186.

The previous prime is 16740445177. The next prime is 16740445193. The reversal of 16740445187 is 78154404761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16740445187 - 2⁴ = 16740445171 is a prime.

It is not a weakly prime, because it can be changed into another prime (16740445177) 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, 8370222593 + 8370222594.

It is an arithmetic number, because the mean of its divisors is an integer number (8370222594).

Almost surely, 2^16740445187 is an apocalyptic number.

16740445187 is a deficient number, since it is larger than the sum of its proper divisors (1).

16740445187 is an equidigital number, since it uses as much as digits as its factorization.

16740445187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 16740445187 in words is "sixteen billion, seven hundred forty million, four hundred forty-five thousand, one hundred eighty-seven".