16451372406653 has 2 divisors, whose sum is σ = 16451372406654. Its totient is φ = 16451372406652.

The previous prime is 16451372406629. The next prime is 16451372406731. The reversal of 16451372406653 is 35660427315461.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10437312646489 + 6014059760164 = 3230683^2 + 2452358^2 .

It is a cyclic number.

It is not a de Polignac number, because 16451372406653 - 2⁶ = 16451372406589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16451372406595 and 16451372406604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16451372426653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8225686203326 + 8225686203327.

It is an arithmetic number, because the mean of its divisors is an integer number (8225686203327).

Almost surely, 2^{16451372406653} is an apocalyptic number.

It is an amenable number.

16451372406653 is a deficient number, since it is larger than the sum of its proper divisors (1).

16451372406653 is an equidigital number, since it uses as much as digits as its factorization.

16451372406653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10886400, while the sum is 53.

The spelling of 16451372406653 in words is "sixteen trillion, four hundred fifty-one billion, three hundred seventy-two million, four hundred six thousand, six hundred fifty-three".