16368666203 has 2 divisors, whose sum is σ = 16368666204. Its totient is φ = 16368666202.

The previous prime is 16368666191. The next prime is 16368666287. The reversal of 16368666203 is 30266686361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16368666203 - 2¹⁰ = 16368665179 is a prime.

It is not a weakly prime, because it can be changed into another prime (16368666403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8184333101 + 8184333102.

It is an arithmetic number, because the mean of its divisors is an integer number (8184333102).

Almost surely, 2^16368666203 is an apocalyptic number.

16368666203 is a deficient number, since it is larger than the sum of its proper divisors (1).

16368666203 is an equidigital number, since it uses as much as digits as its factorization.

16368666203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 16368666203 in words is "sixteen billion, three hundred sixty-eight million, six hundred sixty-six thousand, two hundred three".