16451372666341 has 2 divisors, whose sum is σ = 16451372666342. Its totient is φ = 16451372666340.

The previous prime is 16451372666321. The next prime is 16451372666359. The reversal of 16451372666341 is 14366627315461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12535465978116 + 3915906688225 = 3540546^2 + 1978865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16451372666341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16451372666321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8225686333170 + 8225686333171.

It is an arithmetic number, because the mean of its divisors is an integer number (8225686333171).

Almost surely, 2^{16451372666341} is an apocalyptic number.

It is an amenable number.

16451372666341 is a deficient number, since it is larger than the sum of its proper divisors (1).

16451372666341 is an equidigital number, since it uses as much as digits as its factorization.

16451372666341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 55.

The spelling of 16451372666341 in words is "sixteen trillion, four hundred fifty-one billion, three hundred seventy-two million, six hundred sixty-six thousand, three hundred forty-one".