16255216016441 has 2 divisors, whose sum is σ = 16255216016442. Its totient is φ = 16255216016440.

The previous prime is 16255216016371. The next prime is 16255216016443. The reversal of 16255216016441 is 14461061255261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12015339679225 + 4239876337216 = 3466315^2 + 2059096^2 .

It is a cyclic number.

It is not a de Polignac number, because 16255216016441 - 2¹⁰ = 16255216015417 is a prime.

Together with 16255216016443, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16255216016392 and 16255216016401.

It is not a weakly prime, because it can be changed into another prime (16255216016443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8127608008220 + 8127608008221.

It is an arithmetic number, because the mean of its divisors is an integer number (8127608008221).

Almost surely, 2^{16255216016441} is an apocalyptic number.

It is an amenable number.

16255216016441 is a deficient number, since it is larger than the sum of its proper divisors (1).

16255216016441 is an equidigital number, since it uses as much as digits as its factorization.

16255216016441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 16255216016441 in words is "sixteen trillion, two hundred fifty-five billion, two hundred sixteen million, sixteen thousand, four hundred forty-one".