16567799459 has 2 divisors, whose sum is σ = 16567799460. Its totient is φ = 16567799458.

The previous prime is 16567799447. The next prime is 16567799467. The reversal of 16567799459 is 95499776561.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16567799459 is a prime.

It is not a weakly prime, because it can be changed into another prime (16567799159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8283899729 + 8283899730.

It is an arithmetic number, because the mean of its divisors is an integer number (8283899730).

Almost surely, 2^16567799459 is an apocalyptic number.

16567799459 is a deficient number, since it is larger than the sum of its proper divisors (1).

16567799459 is an equidigital number, since it uses as much as digits as its factorization.

16567799459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128595600, while the sum is 68.

The spelling of 16567799459 in words is "sixteen billion, five hundred sixty-seven million, seven hundred ninety-nine thousand, four hundred fifty-nine".