16404045060647 has 2 divisors, whose sum is σ = 16404045060648. Its totient is φ = 16404045060646.

The previous prime is 16404045060617. The next prime is 16404045060661. The reversal of 16404045060647 is 74606054040461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16404045060647 - 2⁸ = 16404045060391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16404045060617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8202022530323 + 8202022530324.

It is an arithmetic number, because the mean of its divisors is an integer number (8202022530324).

Almost surely, 2^{16404045060647} is an apocalyptic number.

16404045060647 is a deficient number, since it is larger than the sum of its proper divisors (1).

16404045060647 is an equidigital number, since it uses as much as digits as its factorization.

16404045060647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 16404045060647 in words is "sixteen trillion, four hundred four billion, forty-five million, sixty thousand, six hundred forty-seven".