16510044103697 has 2 divisors, whose sum is σ = 16510044103698. Its totient is φ = 16510044103696.

The previous prime is 16510044103669. The next prime is 16510044103699. The reversal of 16510044103697 is 79630144001561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16471065103936 + 38978999761 = 4058456^2 + 197431^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16510044103697 is a prime.

Together with 16510044103699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16510044103699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8255022051848 + 8255022051849.

It is an arithmetic number, because the mean of its divisors is an integer number (8255022051849).

Almost surely, 2^{16510044103697} is an apocalyptic number.

It is an amenable number.

16510044103697 is a deficient number, since it is larger than the sum of its proper divisors (1).

16510044103697 is an equidigital number, since it uses as much as digits as its factorization.

16510044103697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 16510044103697 in words is "sixteen trillion, five hundred ten billion, forty-four million, one hundred three thousand, six hundred ninety-seven".