16545054217459 has 2 divisors, whose sum is σ = 16545054217460. Its totient is φ = 16545054217458.

The previous prime is 16545054217387. The next prime is 16545054217469. The reversal of 16545054217459 is 95471245054561.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16545054217459 - 2⁷ = 16545054217331 is a prime.

It is not a weakly prime, because it can be changed into another prime (16545054217469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8272527108729 + 8272527108730.

It is an arithmetic number, because the mean of its divisors is an integer number (8272527108730).

Almost surely, 2^{16545054217459} is an apocalyptic number.

16545054217459 is a deficient number, since it is larger than the sum of its proper divisors (1).

16545054217459 is an equidigital number, since it uses as much as digits as its factorization.

16545054217459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240000, while the sum is 58.

The spelling of 16545054217459 in words is "sixteen trillion, five hundred forty-five billion, fifty-four million, two hundred seventeen thousand, four hundred fifty-nine".