16403559548053 has 2 divisors, whose sum is σ = 16403559548054. Its totient is φ = 16403559548052.

The previous prime is 16403559548021. The next prime is 16403559548059. The reversal of 16403559548053 is 35084595530461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10338141228804 + 6065418319249 = 3215298^2 + 2462807^2 .

It is a cyclic number.

It is not a de Polignac number, because 16403559548053 - 2⁵ = 16403559548021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16403559548059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8201779774026 + 8201779774027.

It is an arithmetic number, because the mean of its divisors is an integer number (8201779774027).

Almost surely, 2^{16403559548053} is an apocalyptic number.

It is an amenable number.

16403559548053 is a deficient number, since it is larger than the sum of its proper divisors (1).

16403559548053 is an equidigital number, since it uses as much as digits as its factorization.

16403559548053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880000, while the sum is 58.

The spelling of 16403559548053 in words is "sixteen trillion, four hundred three billion, five hundred fifty-nine million, five hundred forty-eight thousand, fifty-three".