16271005516253 has 2 divisors, whose sum is σ = 16271005516254. Its totient is φ = 16271005516252.

The previous prime is 16271005516247. The next prime is 16271005516319. The reversal of 16271005516253 is 35261550017261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11076129798724 + 5194875717529 = 3328082^2 + 2279227^2 .

It is a cyclic number.

It is not a de Polignac number, because 16271005516253 - 2⁸ = 16271005515997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16271005516223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8135502758126 + 8135502758127.

It is an arithmetic number, because the mean of its divisors is an integer number (8135502758127).

Almost surely, 2^{16271005516253} is an apocalyptic number.

It is an amenable number.

16271005516253 is a deficient number, since it is larger than the sum of its proper divisors (1).

16271005516253 is an equidigital number, since it uses as much as digits as its factorization.

16271005516253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 16271005516253 in words is "sixteen trillion, two hundred seventy-one billion, five million, five hundred sixteen thousand, two hundred fifty-three".