16546447465799 has 2 divisors, whose sum is σ = 16546447465800. Its totient is φ = 16546447465798.

The previous prime is 16546447465747. The next prime is 16546447465819. The reversal of 16546447465799 is 99756474464561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16546447465799 - 2³² = 16542152498503 is a prime.

It is a super-2 number, since 2×16546447465799² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16546447465399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8273223732899 + 8273223732900.

It is an arithmetic number, because the mean of its divisors is an integer number (8273223732900).

Almost surely, 2^{16546447465799} is an apocalyptic number.

16546447465799 is a deficient number, since it is larger than the sum of its proper divisors (1).

16546447465799 is an equidigital number, since it uses as much as digits as its factorization.

16546447465799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5486745600, while the sum is 77.

The spelling of 16546447465799 in words is "sixteen trillion, five hundred forty-six billion, four hundred forty-seven million, four hundred sixty-five thousand, seven hundred ninety-nine".