16530447445747 has 2 divisors, whose sum is σ = 16530447445748. Its totient is φ = 16530447445746.

The previous prime is 16530447445739. The next prime is 16530447445753. The reversal of 16530447445747 is 74754474403561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16530447445747 - 2³ = 16530447445739 is a prime.

It is not a weakly prime, because it can be changed into another prime (16530447445717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8265223722873 + 8265223722874.

It is an arithmetic number, because the mean of its divisors is an integer number (8265223722874).

Almost surely, 2^{16530447445747} is an apocalyptic number.

16530447445747 is a deficient number, since it is larger than the sum of its proper divisors (1).

16530447445747 is an equidigital number, since it uses as much as digits as its factorization.

16530447445747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158054400, while the sum is 61.

The spelling of 16530447445747 in words is "sixteen trillion, five hundred thirty billion, four hundred forty-seven million, four hundred forty-five thousand, seven hundred forty-seven".