16550072597 has 2 divisors, whose sum is σ = 16550072598. Its totient is φ = 16550072596.

The previous prime is 16550072573. The next prime is 16550072599. The reversal of 16550072597 is 79527005561.

16550072597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14914759876 + 1635312721 = 122126^2 + 40439^2 .

It is a cyclic number.

It is not a de Polignac number, because 16550072597 - 2³² = 12255105301 is a prime.

Together with 16550072599, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16550072599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8275036298 + 8275036299.

It is an arithmetic number, because the mean of its divisors is an integer number (8275036299).

Almost surely, 2^16550072597 is an apocalyptic number.

It is an amenable number.

16550072597 is a deficient number, since it is larger than the sum of its proper divisors (1).

16550072597 is an equidigital number, since it uses as much as digits as its factorization.

16550072597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 661500, while the sum is 47.

The spelling of 16550072597 in words is "sixteen billion, five hundred fifty million, seventy-two thousand, five hundred ninety-seven".