16500277253 has 2 divisors, whose sum is σ = 16500277254. Its totient is φ = 16500277252.

The previous prime is 16500277229. The next prime is 16500277273. The reversal of 16500277253 is 35277200561.

16500277253 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., 16490925889 + 9351364 = 128417^2 + 3058^2 .

It is a cyclic number.

It is not a de Polignac number, because 16500277253 - 2²² = 16496082949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16500277223) 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, 8250138626 + 8250138627.

It is an arithmetic number, because the mean of its divisors is an integer number (8250138627).

Almost surely, 2^16500277253 is an apocalyptic number.

It is an amenable number.

16500277253 is a deficient number, since it is larger than the sum of its proper divisors (1).

16500277253 is an equidigital number, since it uses as much as digits as its factorization.

16500277253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 38.

The spelling of 16500277253 in words is "sixteen billion, five hundred million, two hundred seventy-seven thousand, two hundred fifty-three".