16620103345399 has 2 divisors, whose sum is σ = 16620103345400. Its totient is φ = 16620103345398.

The previous prime is 16620103345343. The next prime is 16620103345567. The reversal of 16620103345399 is 99354330102661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16620103345399 - 2¹⁷ = 16620103214327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16620103348399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8310051672699 + 8310051672700.

It is an arithmetic number, because the mean of its divisors is an integer number (8310051672700).

Almost surely, 2^{16620103345399} is an apocalyptic number.

16620103345399 is a deficient number, since it is larger than the sum of its proper divisors (1).

16620103345399 is an equidigital number, since it uses as much as digits as its factorization.

16620103345399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3149280, while the sum is 52.

The spelling of 16620103345399 in words is "sixteen trillion, six hundred twenty billion, one hundred three million, three hundred forty-five thousand, three hundred ninety-nine".