16248481553 has 2 divisors, whose sum is σ = 16248481554. Its totient is φ = 16248481552.

The previous prime is 16248481549. The next prime is 16248481597. The reversal of 16248481553 is 35518484261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11302453969 + 4946027584 = 106313^2 + 70328^2 .

It is a cyclic number.

It is not a de Polignac number, because 16248481553 - 2² = 16248481549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16248481498 and 16248481507.

It is not a weakly prime, because it can be changed into another prime (16248481523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8124240776 + 8124240777.

It is an arithmetic number, because the mean of its divisors is an integer number (8124240777).

Almost surely, 2^16248481553 is an apocalyptic number.

It is an amenable number.

16248481553 is a deficient number, since it is larger than the sum of its proper divisors (1).

16248481553 is an equidigital number, since it uses as much as digits as its factorization.

16248481553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 921600, while the sum is 47.

The spelling of 16248481553 in words is "sixteen billion, two hundred forty-eight million, four hundred eighty-one thousand, five hundred fifty-three".