16546447465747 has 2 divisors, whose sum is σ = 16546447465748. Its totient is φ = 16546447465746.

The previous prime is 16546447465727. The next prime is 16546447465799. The reversal of 16546447465747 is 74756474464561.

It is a happy number.

16546447465747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16546447465747 - 2³⁹ = 15996691651859 is a prime.

It is not a weakly prime, because it can be changed into another prime (16546447465727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8273223732873 + 8273223732874.

It is an arithmetic number, because the mean of its divisors is an integer number (8273223732874).

Almost surely, 2^{16546447465747} is an apocalyptic number.

16546447465747 is a deficient number, since it is larger than the sum of its proper divisors (1).

16546447465747 is an equidigital number, since it uses as much as digits as its factorization.

16546447465747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1896652800, while the sum is 70.

The spelling of 16546447465747 in words is "sixteen trillion, five hundred forty-six billion, four hundred forty-seven million, four hundred sixty-five thousand, seven hundred forty-seven".