16502053461253 has 2 divisors, whose sum is σ = 16502053461254. Its totient is φ = 16502053461252.

The previous prime is 16502053461191. The next prime is 16502053461269. The reversal of 16502053461253 is 35216435020561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14246223689889 + 2255829771364 = 3774417^2 + 1501942^2 .

It is a cyclic number.

It is not a de Polignac number, because 16502053461253 - 2⁹ = 16502053460741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16502053461353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8251026730626 + 8251026730627.

It is an arithmetic number, because the mean of its divisors is an integer number (8251026730627).

Almost surely, 2^{16502053461253} is an apocalyptic number.

It is an amenable number.

16502053461253 is a deficient number, since it is larger than the sum of its proper divisors (1).

16502053461253 is an equidigital number, since it uses as much as digits as its factorization.

16502053461253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 16502053461253 in words is "sixteen trillion, five hundred two billion, fifty-three million, four hundred sixty-one thousand, two hundred fifty-three".