16454017256251 has 2 divisors, whose sum is σ = 16454017256252. Its totient is φ = 16454017256250.

The previous prime is 16454017256213. The next prime is 16454017256269. The reversal of 16454017256251 is 15265271045461.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16454017256251 - 2¹³ = 16454017248059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16454017256195 and 16454017256204.

It is not a weakly prime, because it can be changed into another prime (16454017256951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8227008628125 + 8227008628126.

It is an arithmetic number, because the mean of its divisors is an integer number (8227008628126).

Almost surely, 2^{16454017256251} is an apocalyptic number.

16454017256251 is a deficient number, since it is larger than the sum of its proper divisors (1).

16454017256251 is an equidigital number, since it uses as much as digits as its factorization.

16454017256251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016000, while the sum is 49.

The spelling of 16454017256251 in words is "sixteen trillion, four hundred fifty-four billion, seventeen million, two hundred fifty-six thousand, two hundred fifty-one".